Engineering Expert Witnesses

Engineering expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on engineering. The engineering expert witness listings on this page are typically from fields/areas of expertise such as: Accident Reconstruction, Automotive, Automotive Engineering, Aviation & Aerospace, Biomedical Engineering, Construction, Construction Defects, Electrical Engineering, Engineering, Failure Analysis, Female Pelvic Medicine & Reconstructive Surgery, Firearms & Ballistics, Gynecology, HVAC, and Information Technology.

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John C Petkovich

Plumbing/Construction Industry

J.P. Strategies, LLC

Prescott, Arizona
Plumbing, Construction - Concrete, Steel, Compaction, Framing, Codes, Roofing, Civil Work, Residential, Commercial/Industrial, Leak Detection, Contracts, Mechanical, Drywall, Insulation, Gypcrete, Engineering, Safety, Scheduling, Communicating, Local Requirements
With almost four decades of experience in the plumbing trade, JP Strategies brings unmatched technical knowledge and real-world insight to every case. Founder John Petkovich began his plumbing career in 1987, inspired by his father’s belief that plumbing was a skill that could open doors anywhere. That foundation turned into a lifelong passion, a thriving trade career, and now, a trusted expert witness practice. Plumbing is more than pipes and fixtures—it’s a trade that touches every phase of a project, from underground systems to final trim work, across residential, commercial, and industrial environments. This breadth of experience allows JP Strategies to step into any dispute and deliver clear, informed, and defensible opinions that hold weight in courtrooms and negotiations. Key Areas of Expertise in Plumbing Disputes Expert Witness Testimony & Litigation Support Expert testimony for depositions, mediations, and trials Detailed case reviews, reporting, and forensic analysis Cl...
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David Shreve, PE

Ivey Engineering

San Diego, California
HVAC, Plumbing - HVAC, plumbing, construction defects, construction engineering, energy, failure analysis, engineering, refrigeration
Ivey Engineering, Inc. (IEI) is an HVAC, plumbing, process piping, fire sprinkler and energy management consulting firm. The firm performs building system design work, forensic analysis, expert witness consulting, product liability consulting, construction cost analysis and construction claims consulting. The staff is comprised of professional engineers and former construction executives. We are licensed engineers and licensed contractors and have performed consulting work in over 30 states. Our clients include contractors, homeowner associations, commercial building owners, tenants, hotels, casinos, design professionals, manufacturers, law firms, insurance companies and individuals. We know what it takes to design, bid and construct projects. IEI was founded in 1994 in San Diego, California. We have offices in San Diego and Richmond, Virginia, and provide consulting and expert witness services nationwide. Each of our engineers are licensed as professional engineers in multiple stat...
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Jamie Klopp

Transportation Design: Automotive and Aircraft

Klopp US LLC

Encinitas, California
Automotive, Aviation & Aerospace - Automotive Design, Car Design, Aircraft Design, Product Design, Human Factors, Ergonomics, Styling, Interface, Intellectual Property, Patent, Manufacturing, Engineering, FAA, FMVSS, Interior, Exterior, Seats, Utility Patent, Design Patent, Design Process
Jamie Klopp owns and operates Klopp US LLC, an Automotive, Aircraft, and Product Design Expert Witness service. In addition to expert work, Mr. Klopp is an active design professional working in automotive and aerospace product development. Mr. Klopp holds broad design expertise with specific focus on Passenger Automotive Vehicles and Part 23 Fixed-Wing Aircraft and Part 27 Rotorcraft. Jamie Klopp provides litigation graphics services that complement his expert witness work in automotive, aircraft, and product design. He creates 3D animations and renderings for intellectual property cases, including technology tutorials and patent disputes, as well as manufacturing processes, industrial systems, and technical subjects. His work includes visualizations of product defects, engineering failures, design processes, and human factors issues. He also produces 2D trial graphics such as diagrams illustrating design elements, patent claims, manufacturing sequences, and engineering specificati...
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Joseph Quinn, M.S., P.E.

Metal Failure Analysis - Materials Engineering

Materials FACT

Los Angeles, California
Failure Analysis, Metallurgy - Automobile, Aircraft, Tools, Appliance, Engineering Expert, Construction, Construction Defect, Corrosion, Maritime, Machinery, Materials selection, Glass, Medical Implant, Medical Device, Manufacturing Design, Plumbing Expert, Products Liability, Fire & Explosion, Product Design, Pipe
Joseph Quinn, MS, PE, is a Forensic Metallurgy and Metallurgical Engineering consultant. He is a Licensed Professional Engineer in Metallurgical Engineering and is registered in 7 states (CA, PA, UT, NV, AZ, CO, WA) with the Model Law Engineering (MLE) designation. He has provided over 1,000 Failure Analysis investigations on metallic and non-metallic (glass, plastic, rubber, and composite) materials or products. Mr. Quinn provides metallurgical and materials consultation, expert witness testimony, and forensic failure analysis in civil litigation matters for defendants and plaintiffs. He has received awards in the International Metallographic Contest and has delivered several presentations on metallurgical engineering and failure analysis subjects at universities, ASM meetings, and industry events. He currently serves as Past President of the National Society of Professional Engineers (NSPE) in California and remains active in industry standards development, technical societies, a...
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Michael C. Monastra, Captain

Offshore Nautical LLC. Seamanship/Maritime Consultation

San Diego , California
Maritime, Maritime - Seamanship, Sailing Yachts, Motor Yachts, USCG Navigation Rules, Bareboat Charter contracts and disputes, Racing Rules of Sailing, Jones Act, Injuries, Accidents, Dismastings, Sinkings, Collisions, Allisions, Navigation, Engineering, Boatyard and Insurance Company repairs and disputes
Professional Sailor since 1989. USCG Licensed Captain since 1990. World Sailing Group 3 (professional) Competitor since 2004. (retired) US Sailing Offshore Safety at Sea certification 2004-Present ASA certified Advanced Sailing Instructor 1992-Present ASA certified Coastal Navigation Instructor 1991-Present ASA certified Bareboat Chartering Instructor 1991-Present US Powerboating certified Advanced Powerboating Instructor since 2010. (retired) RBPA certified Twin Inboard Powerboating Instructor 2009-Present RPBA certified Single Inboard Powerboating Instructor 2009-Present RPBA certified Directed Thrust Powerboating Instructor 2009-Present Owner Offshore Nautical LLC. Seamanship/Maritime Consultation. Established 2008 Owner Privateer Maritime Inc, San Diego Sailing Academy and San Diego Powerboating Academy established 1989. I retired from on the water instruction in December 2021. I am an expert in seamanship, navigation, boathandling, docking, anchoring, mooring, and man overb...
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Richard K. Pumerantz, PhD

Ammo, Firearm, & Shooting Reconstruction Expert

Guns and Ammo Witness Consulting

Lake Arrowhead, California
Firearms & Ballistics, Accident Reconstruction - firearm, ammunition, ammo, ballistic, gun, cartridge, bullet, projectile, manufacture, load, weapon, antique, reconstruction, training, design, engineering, forensic, shooting, crime, scene
• Court recognized as an expert in Firearms, Ammunition, and Crime/Shooting Scene Reconstruction. • Licenses: Type 10 FFL (Manufacturer of Destructive Devices), Special Occupations Tax Stamp, and all Dangerous Weapons Permits available from the State of California, DOJ. • Ongoing resource/consultant to numerous reloading equipment, projectile, and firearm manufacturers, including the areas of safety, training, and design flaws. • Designed and manufactured firearms and fire control systems. • Certified and testified in crime scene reconstruction and shooting accidents. • Recognized in the firearms industry as an expert in antique and replica cartridge development and manufacturing, including the production of proof loads. “Official” ammunition benchmark for half a dozen firearm manufactures. • Provide educational opportunities on the ammunition manufacturing process and corresponding toolmarks for law enforcement agencies, specifically for their crime lab and firearm unit techn...
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Kevin Hastings, P.E., C.F.P.S

Ivey Engineering, Inc.

San Diego, California
Plumbing, HVAC - HVAC, plumbing, fire sprinkler, construction defects, construction engineering, energy, failure analysis, engineering, refrigeration
Ivey Engineering, Inc. (IEI) is an HVAC, plumbing, process piping, fire sprinkler and energy management consulting firm. The firm performs building system design work, forensic analysis, expert witness consulting, product liability consulting, construction cost analysis and construction claims consulting. The staff is comprised of professional engineers and former construction executives. We are licensed engineers and licensed contractors and have performed consulting work in over 30 states. Our clients include contractors, homeowner associations, commercial building owners, tenants, hotels, casinos, design professionals, manufacturers, law firms, insurance companies and individuals. We know what it takes to design, bid and construct projects. IEI was founded in 1994 in San Diego, California. We have offices in San Diego and Richmond, Virginia and provide consulting and expert witness services nationwide. Each of our engineers are licensed as professional engineers in multiple stat...
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Craig L Moskowitz, PE, MBA, MS

CLM Engineering Associates, LLC

Stamford, Connecticut
Premises Liability, Construction Defects - OSHA, construction, slips/trips/falls, storm damage, water intrusion, roofing systems, warranty inspections, civil engineering, structural engineering, building collapse, property condition assessment, building codes, forensic engineering, engineering expert, construction accidents, personal injury
Since 2010, the President and Managing Member of CLM Engineering Associates, LLC, which concentrates its focus on forensic engineering/expert witness work for the insurance industry and legal community. In addition, we offer construction management, civil engineering and building inspection services. Prior experience includes extensive construction management work on both commercial and residential projects. Performed safety inspections on both civilian and military projects through application of OSHA regulations. Designed drainage systems for the government while an officer with the United States military. Cost estimating for various projects exceeding $500 million. Design document creation and management of high-rise construction in Manhattan. marketplace. Management of telecommunications projects for Verizon in Manhattan including CPM schedule creation and updating. Directed and managed all water distribution system and sewer system work while working as a contractor to th...
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Kristopher J. Seluga, M.S., PE

Technology Associates, LLC

Stratford, Connecticut
Accident Reconstruction, Products Liability - Mechanical Engineering, Biomechanics, Automotive, Construction, Engineering, Failure Analysis, Forensic Science, Golf Carts, Human Factors, Motorcycle, Premises Liability, Safety, Slip Trip & Fall
Our staff of experienced engineers are ready to apply established scientific and engineering knowledge and techniques to your case. Our staff has published hundreds of papers, served on national ANSI standards committees and assisted over 2,800 attorneys and insurance agents settle or try their cases. Because the laws of physics and principles of engineering are universal, we are able to investigate and opine on a wide range of topics including motor vehicle crashes, heavy machinery, consumer products, construction sites, falls and biomechanical analyses. In each case, we assist our clients by determining, in as much detail as possible, how and why an accident occurred and communicating those finding in a clear and concise manner.
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Ralph Zipper, MD, FACOG, FPMRS

Undefeated Johns Hopkins Gyn, Urogyn & Device

Melbourne, Florida
Gynecology, Female Pelvic Medicine & Reconstructive Surgery - Medical Device, Regulatory, Engineering, CEO, Sales, Labeling, Training, Cosmetic Gynecology, Labiaplasty, Mesh, Laser, RF, Pain, Pelvic Pain
Dr. Ralph Zipper, MD, FACOG, FPMRS is a board-certified urogynecologist with subspecialty certification in Female Pelvic Medicine & Reconstructive Surgery (FPMRS) and board certification in Obstetrics & Gynecology. He maintains active medical licenses in Florida and California. Dr. Zipper completed his undergraduate studies at the University of Connecticut (B.S., Biology), earned his medical degree from the Mount Sinai School of Medicine, and completed residency and fellowship training in Obstetrics & Gynecology at The Johns Hopkins Hospital, including advanced training in urogynecology and urodynamics. Dr. Zipper's expert reviews and testimonies have resulted in 100% favorable outcomes (settlements or judgments), totaling more than $100 million. He is engaged for clear, well-supported opinions that withstand scrutiny and for practical litigation support that helps attorneys evaluate risk, strengthen strategy, and present complex medical and device issues in a straightforward way....
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Lester Weitman

Lester Weitman Consulting, LLC

Coral Springs, Florida
Automotive, Products Liability - wiring, electrical, fire, defect, design, failure, electronics, battery, motor, module, engineering, connector, instrument, cluster, speedometer, HVAC, charging, alternator, starter, validation
Providing Expert Witness and Failure Analysis services for design, manufacturing or assembly defects and preventable errors. Will uncover root cause(s) of product defects to identify culpable party. My credible and clear Expert Reports and depositions have been key in achieving successful out-of-court settlements for my fire subrogation clients. Expert in Failure Analysis and Forensic Engineering of automotive electrical fires and accidents caused by electrical, wiring or electronics due to defects, design flaws or assembly errors. M.I.T. BSEE (ME minor), UD Mercy (MIT curriculum) MS in Product Development and Systems Engineering, and UD Mercy EngD Doctoral coursework completed. Over forty years of automotive electronic and mechanical product design, development, manufacturing and field failure analysis experiences. A Six-Sigma Black belt trained strategic and systems thinker, achieved millions of dollars in cost and quality improvements by designing and launching various elect...
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William Henry, PhD, NCARB

Experienced National Architect Expert Witness

RGA Design Forensics LLC

Tampa, Florida
Premises Liability, Construction Defects - Accident Investigation, Building Codes, ADA, Accessibility, Slip Trip & Fall, Forensic, Architecture, Engineering, E&O, Errors and Omissions, Construction Defects, Mold, Cruise Ship, Maintenance, Building Inspection, Insurance Claims, Disaster Recovery, Failure Analysis, Property Insurance, Accident Recreation
As forensic architects and engineers, we strive to provide our clients with superior expert witness services by combining the latest in technological advances with our staff’s decades of experience. Our continued practice in architecture enables us to build a customized team of experts from multiple disciplines to find an optimized solution for your case. Dr. Henry, our lead expert, utilizes three components in his case development: (1) a detailed timeline, (2) an analysis of the governing codes and documentation, and (3) the application of the facts to those governing codes. His reports and testimony are presented in a simple, clear manner that is easily understood. This approach has had a proven impact on the outcomes of past matters, whether in settlement, mediation, arbitration, or at trial. RGA Design Forensics’ main areas of expertise are premises liability, property insurance litigation, and architectural errors and omissions (E&O) claims. Premises Liability - Whethe...
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Prof. Ron Barrett, Ph.D., NAI Fellow, AIAA Asc. Fellow

Aviation Flight Safety, Liability & Patent Expert

Barrett Aerospace Technologies

Lawrence, Kansas
Aviation & Aerospace, Engineering - Aerospace, Aviation, Engineering, Patent Litigation, Flight Safety, Structures, Aircraft Design, Stability and Control, Propulsion, UAV, UAM and UAS, Drone, Missile, Munition, Helicopter, Electric Flight, Flying Toys, Flight Testing, Aircraft Crashworthiness, Cost Analysis
• Full Professor of Aerospace Engineering • Fellow, National Academy of Inventors (NAI) • Associate Fellow, American Institute of Aeronautics and Astronautics (AIAA) • Winner of the Discover Magazine Award for Aerospace and Aviation • Led more award winning AIAA Aircraft and Missile Design teams than any other in the world • Listed by Stanford/Elsevier as one of the world’s top 2% most cited Technologists • Most cited member of the AIAA Aircraft Design Technical Committee • Published more than 400 professional works • Holder of 25 patents • Worked on projects for all of the branches of the US DoD, NASA, NSF, DARPA, all major US aerospace corporations and many minor. I am the only NAI Fellow and AIAA Associate Fellow listed on SEAK. These distinctions make me exceptionally resistant to Daubert motions in my areas of expertise and would give your side "one up" on adverse parties. I have worked in many corners of aerospace technology from flight test engineer on small aircraft to ...
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Ole E Haaland, PE

ANNA Inc.

Annapolis, Maryland
Electrical Engineering, Mechanical Engineering - electrical engineering, mechanical engineering, power plant, nuclear, gas turbine, generator, engineering, relays, design, contractor, commissioning, marine, Electrical Power, Utility, Power, Electrical Generation, Generation
SUMMARY Mr. Haaland has thirty four years experience in power production, design, construction, and commissioning, with 27 years managing people and projects. He is a registered professional engineer in Maryland and held a Senior Reactor Operator’s license at Indian Point #3 Nuclear Power Plant. Experience is in conventional, nuclear, and alternate fuel power plant mechanical and electrical systems management, design, construction, plant outage management, start-up, performance testing, and operation. He has performed as Project Manager, Construction Manager, and Commissioning Manager for several Greenfield power projects. He has successfully engineered, estimated, planned, executed work, and provided troubleshooting services for power plants of varied prime movers. His has been instrumental in meeting contractual and schedule requirements. EDUCATION AND COMMITTIES BSME, New York Institute of Technology, 1980 IEEE-45.1 Shipboard Power Systems – Design Committee ASSOCIATIONS...
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David A Doddridge

Construction Disputes/Accidents-Premises Liability

D.A. Doddridge and Associates, Inc.

Worcester, Massachusetts
Construction Defects, Slip Trip & Fall - Stairway Accidents, Construction Accidents, Construction Disputes, Construction Cost Analysis, Slip and Fall, Trip and Fall, OSHA Regulations, Construction Safety, Construction Standards, Residential, Commercial, Construction Delays, Building Codes, Fire Investigations, Engineering, Architectural
With over 30 years experience in residential and light commercial building, construction, and remodeling, I have cultivated a deep understanding of all aspects of the industry. My expertise also spans residential/commercial building inspections, roofing/siding, and sheetrock installation. My hands-on background provides attorneys and clients with invaluable insights into construction practices, building codes, and safety compliance. I hold an Unrestricted Construction Supervisor's License in Massachusetts, along with OSHA 10 and OSHA 30 Construction Safety certifications. My qualifications also include a National Floor Safety Institute Certification in walkway safety, a certification in building envelope inspections and remediation from the Building Envelope Science Institute, and a certification in residential building codes by the International Code Council. Additionally, I am a certified Pella Window Installer and a certified tribometer operator for the ASM925 and ASM825, whic...
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Bob Weiman

Software Product Design Expert

Oracle Engineering LLC

Sudbury, Massachusetts
Software Engineering, Medical Devices - Medical Software, Patents, Tort, Trade Secret, C/C++, Infringement, Engineering, Software, Embedded systems, Real Time Control, Firmware, Source Code Review, Robotics, Computer, Programming, Algorithms, Safety Critical, Software Malfunction, Intellectual Property, Electrical Engineering
Bob Weiman is the founder of Oracle Engineering LLC, a consulting firm that has been designing electronic medical devices, consumer, and industrial products for over 35 years. He was head of the Electrical Engineering department for a Medical Products group and continues to design software for safety critical systems such as computerized medical devices including an artificial heart, a cancer radiation treatment system, a heart defibrillator, insulin pumps and other high-tech devices used in hospitals, operating rooms and doctors office's. Bob has designed Embedded Systems for the DOD and the Navy. He has designed consumer products sold in computer stores. He designed a satellite remote control system that was demonstrated at The White House for the President. Bob has experience as an Expert Witness in medical tort cases, patent cases, workers’ compensation, and trade secret cases.
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Roger D Berry

Automotive Powertrain Systems Engineering Expert

Pilot Systems International, LLC

Farmington Hills, Michigan
Automotive Engineering, Software Engineering - Control, Systems, Engineering, Automotive, Powertrain, EV, Emissions, Safety, Business, Software, Technology, compliance, regulatory, patent, deposition, expert, report, contracts, OEM, Supplier
Roger D. Berry Automotive Powertrain SME Mr. Berry owns a company that is managing the powertrain engineering, safety system development and the certification portion of several industry leading vehicle programs. Pilot is also working with technologies including Embedded Controls, EV (Electric Vehicle) Powertrain Engineering including ICE optimization, ADAS (Autonomous Vehicle) and AI (Artificial Intelligence) for automotive and military programs. Pilot has extensive international experience and provides business, legal (e.g., patent law) and technical consulting services. Mr. Berry has acted as an Expert Witness in 6 cases. Those cases required expertise in powertrain engineering, IP protection, Automotive System integration, Patent Law, OEM v Supplier contractual obligations and System Simulation/Validation. His clients included Tesla, Arctic Cat, ZF, Siemens and Brose. Mr. Berry’s previous company employed 300 people and specialized in automotive powertrain tec...
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Philip Isaak, PE, P.Eng., DCDC, RCDD, SMIEEE

Isaak Technologies, Inc.

Victoria, Minnesota
Information Technology, Telecommunications - Cloud Computing, Computer, Construction Claims, Contracts, Data Center, Engineering, Fiber Optic, Forensic Engineering, Internet, Intellectual Property, Life Safety, Network, Operations, Outsourcing, Project Management, Service Level Agreement, Systems Implementation, Telecom, Trade Secret
Professional Engineer, Certified Data Center Design Consultant & Registered Communications Distribution Designer with 20+ years as a design & operations consultant & training provider with a focus in the data center, telecommunications & networking industries. International expertise in 28 countries across 6 continents, encompassing data center facilities, power, cooling, networking infrastructure, fiber optic & copper network cabling, IT & Telecom systems and services, implementing enterprise, colocation & cloud service strategies. Publications & Awards ♦ANSI/BICSI 002, Data Center Design & Implementation Best Practices Standard, Author/Editor ♦ANSI/BICSI 009, Data Center Operations Standard, Chair/Author/Editor ♦Data Center Handbook, Wiley Publishing One of 50 Subject Matter Experts from around the world that authored the content, providing the fundamentals, technologies, and best practices in designing, constructing & managing mission critical, energy efficient data centers. ...
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Bradley E Layton, PhD PE MLE

Biomechanics and Biomedicine Expert - 30+ cases

Human Powered Future PLLC

Missoula, Montana
Accident Reconstruction, Biomedical Engineering - accidents, biomechanics, diabetes, dynamics, energy, engineering, failure, forensics, imaging, injury, materials, mechanics, nanotechnology, neurology, neuropathy, patents, personal injury, physics, proteins, slip trip & fall
American Concrete Institute Member ASME member IEEE-EMBS Editor Author - Molecular and Cellular Biomechanics Associate Teaching Professor - Drexel University Associate Professor - University of Montana Elite Athlete - United States Rowing Team 1995 & 1997 Fire Protection Engineer - US Department of Energy - Savannah River Site Founding Member - Insurance Engineering Blockchain Consortium International Code Council Member Inventor - AFM Nanomanipulation & Surgical Patents Licensed Professional Engineer - CO, GA, IA, ID, IN, KS, MI, MT, NV, PA, UT Lunar Scientist - US Department of Energy - Office of Space Machinist - Merlin Metalworks - titanium bicycle design & Stillwater - Kevlar boat design Model Law Engineer Oath of the Engineer - Engineer's equivalent of Hippocratic Oath National Society of Professional Engineers Post-doctoral Fellow - University of Michigan MRI laboratory Recipient - Montana Governor's Innovator Award Scientist - 100+ papers and abstracts
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Thomas W. Caldwell, PE

Summit Associates of Bedford, LLC

Bedford, New Hampshire
Metallurgy, Failure Analysis - Design Defects, Material Selection, Engineering, Manufacturing Defects, Manufacturing, Quality Control, Mechanical Failure, Corrosion, Fitness for Use, Equipment Operation, Equipment Maintenance, Trade Secrets
Testifying and consulting expert for both plaintiff and defense counsel. Cases have involved hand tools, recreational and exercise equipment, fire fighting apparatus, rotating machinery, construction hardware, fasteners, joints, piping, tubing, lighting fixtures. 40+ yrs designing, manufacturing and quality assurance of components for consumer & industrial products including safety and performance-critical applications for aircraft, automotive safety systems, medical products, construction machinery, defense arms and munitions. Mr. Caldwell has testified in patent infringement and trade secret misappropriation cases. He has lectured in the USA, Europe and India on manufacturing premium quality metal products. He has published in the areas of batteries, materials selection and materials processing. Licensed Professional Engineer, Ohio. US Patent holder.
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Michael A. Pollock, P.E.

Cogent Experts, LLC

New Jersey
Engineering, Construction Defects - Standard of care, construction defect, construction delay, engineering, mechanical engineering, HVAC, project management, construction schedule analysis, manufacturing, product liability, power, refrigeration, fire, explosion, automotive, forensics, failure analysis, engineering standard of care
Registrations • Professional Engineer: PA (PE075410) • American Bar Association (ABA) – Construction Forum • Environmental Protection Agency (EPA) Clean Air Act Certification – Universal (includes Chillers, HVAC & Refrigeration) • United States Patent & Trademark Office Registered (USPTO) Professional Affiliations • American Society of Mechanical Engineers (ASME) • American Society of Heating, Refrigeration, Air Conditioning Engineering (ASHRAE) • American Arbitration Association (AAA) • Certified Energy Manager (CEM) • Product Developers and the Manufacturers Association PDMA Supermarket Heating Ventilation, Air Conditioning & Refrigeration (HVACR) Matter – Florida - Provided expert witness field inspection and investigation of relevant HVACR and mechanical systems causing wet conditions via condensation. Guided counsel in deposition questions and developed the case strengths and weaknesses yielding a negotiated settlement favorable to our client. Warehouse Distribut...
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C.J. Abraham, PhD, P.E., DPE, JD, FRSC, FTI, DEE, IH

Great Neck, New York
Products Liability, Slip Trip & Fall - Athletics & Recreation, Safety, Safety Engineering, Warnings & Labels, Industrial Hygiene, OSHA, Risk Analysis, Biomechanics, Engineering, Fires, Explosions, Human Factors, Brain Injuries, Personal Injury, Trampolines, Amusement Parks, Water Parks, Playground Accidents
Dr. Abraham is a licensed P.E. and a Senior Member and a Diplomat in The National Academy of Forensic Engineers. Over the last 45 years, C. J. Abraham has created warnings and instructions for many products and protocols applied and used worldwide. He has consulted to major news channels, NHTSA, OSHA, NIOSH, State of California (CaITrans), Microsoft, New York Transit, Queensborough Bridge Authority, Department of Agriculture, the Federal Government, State Attorney General's Offices, and municipalities throughout the United States, Canada and Europe in a variety of technical areas. His interests include head and brain protection in sports and recreation and personal injury accidents and litigations. In addition, he is also involved in the reconstruction of all types of sports injuries in a large variety of recreational and sports activities, amusement and trampoline facilities, as well as accidents involving a variety of products and vehicles. His background may be found at www...
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David S Howell

Software Engineering • Mobile App Development • IP

Expert Guild

Long Island City, New York
Software Engineering, Intellectual Property - Software, Mobile, Apps, Patent, Trade Secret, Infringement, Source Code, Inspection, Android, Development, macOS, Engineering, iOS, Kotlin, Objective-C, Java, Swift, IP, AI, ML
David Howell is a former Apple software engineer with more than 35 years in the software industry and experience teaching computer science and engineering management at a graduate level. He has founded three startups, including one acquired by Apple, with a focus on mobile, desktop, and web apps, and is currently CEO of Expert Guild, an agency that helps litigation teams find the perfect testifying expert for technology and healthcare-related cases. In the past his roles have included Chief Executive Officer (CEO), Chief Technology Officer (CTO), VP of Engineering, Senior Software Engineer, and member of Boards of Advisors. As CEO of Avatron, he led a team of ex-Apple engineers to build world-class productivity apps for mobile devices. At Apple he managed a platform enabling third-party visual-effects plug-ins for film and video. As an expert witness, Mr. Howell has written 20 opinions, testified in Federal court twice, arbitration court once, and the UK Competition Appeal Tribunal...
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Kristopher J. Seluga, M.S., PE

Technology Associates, LLC

New York
Accident Reconstruction, Products Liability - Mechanical Engineering, Biomechanics, Automotive, Construction, Engineering, Failure Analysis, Forensic Science, Golf Carts, Human Factors, Motorcycle, Premises Liability, Safety, Slip Trip & Fall
Our staff of experienced engineers are ready to apply established scientific and engineering knowledge and techniques to your case. Our staff has published hundreds of papers, served on national ANSI standards committees and assisted over 2,800 attorneys and insurance agents settle or try their cases. Because the laws of physics and principles of engineering are universal, we are able to investigate and opine on a wide range of topics including motor vehicle crashes, heavy machinery, consumer products, construction sites, falls and biomechanical analyses. In each case, we assist our clients by determining, in as much detail as possible, how and why an accident occurred and communicating those finding in a clear and concise manner.
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Boyle C. Cheng, PhD

Total Spine Solutions, Inc.

Mars, Pennsylvania
Medical Devices, Spine Surgery & Spine Care - Neurosurgery, Orthopaedic Surgery, Biomechanics, Intellectual property, Engineering, Biomedical, Firearms and Ballistics, Trauma
Rank of Full Professor at Drexel University College of Medicine, and Adjunct Full Professor at Carnegie Mellon University.
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Joseph Quinn, M.S., P.E.

Metal Failure Analysis - Materials Engineering

Materials FACT

Pennsylvania
Failure Analysis, Metallurgy - Automobile, Aircraft, Tools, Appliance, Engineering Expert, Construction, Construction Defect, Corrosion, Maritime, Machinery, Materials selection, Glass, Medical Implant, Medical Device, Manufacturing Design, Plumbing Expert, Products Liability, Fire & Explosion, Product Design, Pipe
Joseph Quinn, MS, PE, is a Forensic Metallurgy and Metallurgical Engineering consultant. He is a Licensed Professional Engineer in Metallurgical Engineering and is registered in 7 states (CA, PA, UT, NV, AZ, CO, WA) with the Model Law Engineering (MLE) designation. He has provided over 1,000 Failure Analysis investigations on metallic and non-metallic (glass, plastic, rubber, and composite) materials or products. Mr. Quinn provides metallurgical and materials consultation, expert witness testimony, and forensic failure analysis in civil litigation matters for defendants and plaintiffs. He has received awards in the International Metallographic Contest and has delivered several presentations on metallurgical engineering and failure analysis subjects at universities, ASM meetings, and industry events. He currently serves as Past President of the National Society of Professional Engineers (NSPE) in California and remains active in industry standards development, technical societies, a...
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Michael A. Pollock, P.E.

Cogent Experts, LLC

Bryn Mawr, Pennsylvania
Engineering, Construction Defects - Standard of care, construction defect, construction delay, engineering, mechanical engineering, HVAC, project management, construction schedule analysis, manufacturing, product liability, power, refrigeration, fire, explosion, automotive, forensics, failure analysis, engineering standard of care
Registrations • Professional Engineer: PA (PE075410) • American Bar Association (ABA) – Construction Forum • Environmental Protection Agency (EPA) Clean Air Act Certification – Universal (includes Chillers, HVAC & Refrigeration) • United States Patent & Trademark Office Registered (USPTO) Professional Affiliations • American Society of Mechanical Engineers (ASME) • American Society of Heating, Refrigeration, Air Conditioning Engineering (ASHRAE) • American Arbitration Association (AAA) • Certified Energy Manager (CEM) • Product Developers and the Manufacturers Association PDMA Supermarket Heating Ventilation, Air Conditioning & Refrigeration (HVACR) Matter – Florida - Provided expert witness field inspection and investigation of relevant HVACR and mechanical systems causing wet conditions via condensation. Guided counsel in deposition questions and developed the case strengths and weaknesses yielding a negotiated settlement favorable to our client. Warehouse Distribut...
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Rene A Melendez

Expert in Manufacturing and Product Liability

MR&A Consulting

El Paso, Texas
Products Liability, Manufacturing - Ladders, OSHA, ANSI, CSA, Laboratories, Testing, ISO 17025, ISO 9001, Fall Protection, Storage Eqipment, SRLs, Safety Harnesses, Safety Landyards, Failure Analysis, Quailty, Manufacturing, Engineering, Accidents & Safety, Product Design, Consumer Products
Rene Melendez is a seasoned expert witness and independent consultant with over 15 years of experience specializing in ladder safety, design, and manufacturing standards. His work focuses on evaluating ladder-related injuries and incidents for litigation across the United States. Rene’s consulting engagements span residential, commercial, and industrial ladder use, with deep expertise in extension, step, tripod, and fiberglass ladders. He specializes in failure analysis, product liability, and injury investigation for climbing products including extension ladders (up to 60 ft), stepladders, scaffolds, planks, attic ladders, and fall protection equipment. Rene regularly partners with engineering and manufacturing teams to ensure all products meet strict U.S. and international safety certifications. Mr. Melendez has been retained in numerous high-profile cases involving ladder product failures, safety violations, and workplace accidents. He has worked on behalf of both plaintiffs an...
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Nicholas S Cleveland

Operations Engineer/Project Manager - Oil & Gas

New Auburn Energy Management

Fort Worth, Texas
Oil and Gas, Petroleum Engineering - Oil, Gas, Drilling, Completion, Engineering, Operations, Wellbore, Downhole, Horizontal, Directional, Production, Well Control, Casing Design, BHA - Drilling Tools, Fishing Operations, Multi-Well Pad, Cement Design, AFE/Cost Estimates, Project Management
Results-driven Engineer & Project Manager with over 20 years experience in drilling, completions, and production across major U.S. basins. Proven ability to stand-up operations, minimize drilling costs, optimize well performance, and enhance operational efficiency. Experienced in managing multi-well projects, AFE preparation, vendor & contract negotiations, and wellbore construction. Adept at directional drilling, cementing and casing design to maximize operational success. Technical Expertise includes Wellbore Design & Construction, Horizontal & Directional Drilling Techniques, AFE (Authority for Expenditure) Preparation, Vendor Services, Drilling Rig Optimization, Multi-Well Pad Development, Simultaneous Operations, Fishing Operations.