Engineering Expert Witnesses in Arizona

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...

Mesa, Arizona

Engineering, HVAC - HVAC and Refrigeration, Process and Power Piping, Plumbing Systems, Standard of Care in Design and Construction, Chemical Exposures in the Workplace, Cleanroom Design and Performance, Codes and Standards, Patent and Trade Secret Disputes, Data Centers

William R. Acorn is founder of Acorn Consulting Services, LLC, an engineering firm. As a consulting mechanical engineer, Bill provides project analysis, forensic reconstructions and litigation support services relating to the design, delivery and functioning of high-tech manufacturing facilities, semiconductor fabrication facilities, institutional laboratories, data centers, health care facilities and a variety of commercial buildings. He is a recognized expert in the evaluation of deficiencies in HVAC systems, cleanrooms, piping systems, refrigeration systems, construction defects and building and fire code compliance. He represents both plaintiffs and defendants. Bill has more than 45 years of experience as a professional engineer and owner's agent and is a recognized expert in assessing, evaluating, remediating and providing testimony on complex project design, construction and operational matters. His consulting expertise has been influential in shaping approaches to code comp...

Arizona

Structural Engineering, Engineering - Wood, Masonry, Steel, Concrete, Insurance claims, Professional liability claims, Code review, Standard of care, Underpinning, Retaining walls, Foundations, Construction defect, Graphics animation, Tie-backs, Seismic & Wind Design

Josephson-Werdowatz & Associates (JWA), founded in 1988 and with licenses in thirty states, has provided structural design and construction defect investigations/evaluations across the United States and abroad. Structural evaluations included wood, masonry, steel, and concrete structures, with particular emphasis on seismic and wind design. JWA has experience working with specialty materials such as acrylic, aluminum, and glass as well. Evaluations also include code review and analysis, and standard of care analysis. JWA has extensive experience with geotechnical structures such as special foundations, underpinning, retaining walls, tie-backs, and soil nails, among others. JWA strives for a reasoned, accurate, and practical solution to structural engineering problems and deficiencies. Principal Structural Engineers Carl H. Josephson, PE, SE; Dan R. Werdowatz PE, SE; and Stephen P. Kerr, PE, SE have been retained as expert witnesses in over 1,500 cases for plaintiff and defense cli...