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Expert Witnesses & Forensic Consultants Directory

Engineering & Science

Engineering and Science expert witnesses provide opinions on issues of science, technology, engineering and mathematics. The engineers and scientists profiled in this directory may provide forensic analysis of material and structural failures through destructive and non-destructive testing and failure analysis. These experts may investigate allegations of defects in designs, construction and manufactured products. They may have specific expertise in chemical, civil, electrical or mechanical engineering, traffic engineering, structural engineering, aerospace engineering, geotechnical engineering, industrial engineering, automotive engineering, petroleum engineering and safety engineering, as well as scientific specialties such as chemistry and geochemistry, food and drug, entomology, polymers and plastics, and other scientific and engineering disciplines.

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Steven B. Norris, AIA, PE, GE, CEG, GC

Licensed Architect, Engineer and Contractor provides expert witness services in geotechnical engineering: concrete structure defects, foundation analysis and design, slab moisture and waterproofing evaluations, earthquake and landslide investigations.

Areas of Expertise: Geotechnical Engineering

Tel: (760) 839-7302

Limited public information. For more, contact us.

Craig S. Neustaedter, PE, AICP — Transportation Engineering & Planning, Inc

Registered Traffic Engineer provides litigation support and expert witness services in traffic and transportation engineering, street design, general planning and zoning consistency issues.

Areas of Expertise: Transportation Engineering

Tel: (949) 552-4357

Limited public information. For more, contact us.

Steven C. Helfrich, PE, GE — Helfrich-Associates

Civil and Geotechnical Engineer (25+ yr) provides expert witness services in building subsidence, structural damage, earthmoving, cracked slab investigations, damage analysis matters. Experienced in commercial, residential, petrochemical, heavy industry

Areas of Expertise: Geotechnical Engineering

Tel: (909) 389-7316

Limited public information. For more, contact us.

Kam Shadan, MS, PE

Engineer (45+ yr) specialized in transportation projects, experienced project manager (MS management engineering) provides expert witness services in construction management, document, matters. Executive board member, California Transit Association.

San Francisco, CA

Areas of Expertise: Transportation Engineering

Tel: (415) 813-5000

Limited public information. For more, contact us.

D. Gordon Follett, MSc, PE — COMA Consultants, Inc.

Civil and Structural Engineer (40+ yr in construction) provides litigation support and testimony in quality control, defect investigation, contract disputes, construction management. Broad experience in private and public works projects up to $250 million

Corona del Mar, CA

Areas of Expertise: Civil Engineering

Tel: (949) 673-7273

Limited public information. For more, contact us.

Dan R. Eberhart, PG, CEG — Langan Engineering & Environmental Services

Professional Engineering Geologist (38+ yr) specializes in hillside grading, landslides, expansive soils, slope stability, settlement and geologic/seismic hazards. Experienced expert witness in engineering geology and construction litigation.

Areas of Expertise: Geology

Tel: (626) 204-4076

Limited public information. For more, contact us.

Walt Pachucki, BSc Mining Eng., EPA Environmental Assessor

Engineer and land surveryor acts as an expert witness in mining accidents, mineral processing, heavy equipment failure analysis, as well as environmental site assessments and remediation programs. Federal government advisor on management of public lands.

Areas of Expertise: Coal

Tel: (760) 872-1033

Limited public information. For more, contact us.

H. Clark Bell, PhD, PE — HF Plus

Electrical Engineer and Patent Agent, expert in microwave, radar and radio interference, electromagnetic fields, including consumer electronics, microwave equipment/heating, radio interference, fluorescent lamps, and police traffic radar.

Areas of Expertise: Electromagnetic & Microwave Engineering

Tel: (818) 903-7030

Limited public information. For more, contact us.

Rod Bergen, PE

Electronics Engineer, experienced expert witness, in solar energy systems, including installation defects, design deficiencies, wiring problems, incidents, performance evaluations, as well as electrical and HVAC contracting issues (licensed contractor).

Areas of Expertise: Electrical Engineering

Tel: (818) 591-7896

Limited public information. For more, contact us.

Pablo A. Daroux, MS — Wilson, Ihrig & Associates, Inc.

Acoustics expert (23+ yr) acts as an expert witness in acoustics, noise and vibration control matters, including: document noise and vibration levels; assess hearing damage risk; audibility studies; determin cause of inappropriate building acoustics

Areas of Expertise: Acoustics; Acoustics & Noise

Tel: (510) 658-6719

Limited public information. For more, contact us.

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Experts in the News

Failing to Examine Plaintiff and His Records Gets Medical Expert Tossed

Aug 25 — Failing to examine a plaintiff, failing to review all of the plaintiff’s medical records, and citing "facially irrelevant" medical literature will can — unsurprisingly — get a medical expert witness tossed, as in this case.

Federal Rules Committee Still Reviewing AI Expert Witnesses

Aug 26 — After more than three years of review, the federal Advisory Committee on Evidence Rules has decided not to advance proposed Rule 707 artificial intelligence (AI) evidence, opting instead to gather further input.

Expert Witness Testifying About ‘Mortal Sin’ Leads to Call for Mistrial

Aug 26 — Massachusetts bars the use of religious beliefs from being used to attack or support the credibility of a witness, but that did not stop forensic psychologist Dr. Kirk Heilbrun, a prosecution rebuttal witness, from trying in the Lindsay Clancy trial.

Credentialing Expert Witnesses In Unlicensed Professions

Oct 19 — Qualifying as an expert witness can be a bit slippery in matters without clearly defined expert witness requirements, as this premises-liability case exemplifies.

New AI-Discovery Rulings: Risks for Experts

Oct 26 — Two federal courts examining very similar facts — experts using AI to help prepare their reports — have reached different conclusions about what has to be turned over. Unsettled law leaves the expert’s AI workflow dependent on which court is asking.