Defect Expert Witnesses

Defect 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 defect. The defect expert witness listings on this page are typically from fields/areas of expertise such as: Accident Reconstruction, Architecture, Automotive, Chemical Engineering, Chemistry & Chemicals, Construction, Construction Defects, Energy, Failure Analysis, Manufacturing, Mechanical Engineering, Products Liability, and Real Estate.

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Jeffery Potter

Real Estate Development - 42 Years in the business

H&M Investment Advisors, Inc.

Newport Beach, California
Real Estate, Construction - Construction, Real Estate, Finance, Commercial Real Estate, Real Estate Development, Environmental, Entitlements, Defect, Easement, Ownership, Title, Brokerage, Partnership, Lease, Planning, Zoning, Disputes, Financing, Contract, Conflict
• Linked In: www.linkedin.com/in/jeffery-potter-35367411 • Website: https://www.potterexpertwitness.com/ • IG: https://www.instagram.com/potterexpertwitness/ Real Estate • Construction • Finance Expert – Jeff Potter brings over 42 years of proven success in commercial real estate development, investment and expert witness work. He has overseen the acquisition, development, management and disposition of more than 4 million square feet of industrial, multifamily, retail, self storage, residential and land development assets across the Western United States. California Heritage & Education • Family roots in Northern, Southern and Central California date back to 1867. • B.S. in Business (Marshall School, USC) and MRED from USC. • Currently pursuing a CCIM designation and a Master Certificate in Homeland Security at USC—underscoring his commitment to lifelong learning. Key Career Milestones • Co founded A American Self Storage with industry pioneer Ed Olson. • Director of Development ...
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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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Sanford Kaminsky, AIA, NCARB

Construction Defects Testifying Architect

m2e Consulting Engineers

Miami - Coral Gables, Florida
Architecture, Construction Defects - Standard of Care, Failure Analysis, Construction Documents, Defect, Change Order, Building, Design, Condominium, Hospitality, Casino, gaming, Code Compliance, Contract Document, Field Management, Contract Administration, Commercial, Highrise, Retail, Hotel, Condo-Hotel
With over four decades of experience in architecture, construction, and litigation support, I am a Nationally Board-Certified Architect and a proud American Institute of Architects (AIA) member. My portfolio encompasses multi-billion-dollar projects worldwide—including retail, office, hotel, institutional, aerospace, and mixed-use developments—covering every facet of architectural practice, from design and construction to defect mitigation and resolution of class-action claims. My expertise extends to Luxury Condominium litigation and Casino Gaming Hospitality, where I have provided specialized insights into the unique challenges associated with high-profile, complex developments. These include addressing construction defects, water intrusion, and operational compliance for large-scale residential and hospitality environments. As an expert witness, I have supported plaintiffs and defendants in high-stakes construction defect litigation. My services include field investigations, wa...
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Joseph J Jaskulski, PE, CFEI, LEED AP

Power and process plant construction & operations

Project Performance Group LLC

Winnetka, Illinois
Energy, Failure Analysis - Power generation, steam, power plant, operation, turbine, commissioning, solar, performance, insurance, construction, defect, efficiency, turbine, boiler, contractor, design build, EPC, infrastructure, gas, coal
Expert witness on multiple technical and commercial issues in arbitration, state and federal court, and in front of regulatory commission environments. Deep expertise in power plant development, construction, operating and maintenance, and asset management. Numerous evaluations and audits of generating portfolios, including review of business processes and identifying/quantifying improvement opportunities/potential threats. Technologies include coal, oil, natural gas, wood, and waste-fueled facilities, simple and combined cycle power stations, and spark and diesel reciprocating engine-based power plants. Green energy experience, including, wind energy construction, smart grid implementation, building energy conservation measures, battery storage, and both concentrated and photo-voltaic solar generation. Experience extends to large process plants as well. Experienced in all aspects of infrastructure projects and programs in both the public and private sectors: development, financi...
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Chris Scott, PhD

Material Answers LLC

Weston, Massachusetts
Chemical Engineering, Failure Analysis - polymer, plastic, rubber, coating, materials, material science, material engineering, thermoplastic, thermoset, composite, design, manufacturing, adhesive, ink, automotive, medical device, aerospace, packaging, accident, defect
Dr. Chris E. Scott is President of Material Answers LLC. He specializes in material structure, properties, and processing. His work emphasizes thermoplastics, thermosets, blends, composites, and multicomponent formulations. He has extensive experience with manufacturing, product development, product design, and failure analysis. Systems investigated include plastics, composites, coatings, paints, adhesives, rubbers, fibers, suspensions, emulsions, and pastes. In particular, Dr. Scott has published extensively on the topics of polymer processing and structure relationships, compounding and mixing in multiphase polymer systems, and structure and morphology development during polymer processing. He is the inventor on 11 U.S. patents, author of more than 30 articles in peer reviewed journals, author of 40 conference proceedings, and has presented more than 50 seminars to industry and government organizations. Dr. Scott has conducted failure analysis investigations and developed p...
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John D. Zeirke, P.E., ACTAR, CFEI, CVFI

Mechanical Engineering Expert Witness

JZ Engineering, LLC

Blaine, Minnesota
Mechanical Engineering, Accident Reconstruction - Mechanical, Automotive, Powersports, Equipment, Fire, EDR, Drone, Design, Forensic, Powertrain, Caterpillar, Gears, Driveline, Gearbox, Agriculture, Failure, Bearing, Liability, Recall, Defect
Licensed professional engineer in Minnesota, Illinois, Iowa, North Dakota, South Dakota & Wisconsin with a Bachelor’s Degree in Mechanical Engineering from Marquette University and over 20 years of experience in product and system design & development and forensic investigation. Specialties: • Mechanical inspections, accident reconstruction and vehicle fire analysis. • Damage assessments of heavy machinery and agricultural equipment. • EDR downloads of passenger vehicles and commercial trucks and pre-crash data analysis. • Mechanical related property failure analysis, including boilers, water heaters, and pipe freezes. • Aerial drone photography and videography of vehicle accident scenes and tall structures.
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Ethan Alden-Danforth, PhD

Cosmetic & OTC Expert Witness | PhD Chemist

Shelburne, Vermont
Chemistry & Chemicals, Manufacturing - Cosmetics, Microbiological Testing, PFAS / Heavy Metals, Adulteration & Misbranded, Contamination, Contract manufacturing, OTC Drug, Product Liability, False Advertising, MoCRA Compliance, Formulation, Claims Substantiation, Cosmetic Labeling, Personal Care Product, Cosmetic Chemistry, Analytical Testing, Adverse Event, Defect, FDA, GMP
My name is Ethan Alden-Danforth and I am a senior executive in the cosmetic and OTC personal care industry with over 15 years of experience in R&D and manufacturing. I hold a PhD in Organic Chemistry from Johns Hopkins University and currently serve as Vice President of R&D for a cosmetic contract manufacturer, where I oversee formulation development, raw material sourcing, product safety and testing, regulatory compliance, and process engineering across cosmetic and OTC drug product lines. I provide expert witness services for plaintiff and defense counsel in state and federal litigation involving cosmetic and OTC personal care products. My litigation work encompasses product liability and class action matters, false advertising and labeling disputes, FDA and MoCRA compliance failures, PFAS and heavy metals contamination, microbial and chemical adulteration, GMP violations, contract manufacturing disputes, recalls, and adverse event investigations. I have experience reviewing tech...