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Expert Witnesses & Forensic Consultants Directory

Engineering & Science — California

Engineering and Science California 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.

Page 8 of about 117 results (0.02 seconds) — Results include first those located in the region, then those who serve in the region.

Stephen J. Snyder, PE — Snyder International

Aerospace Engineer, 45 yr, acts as an expert witness in matters of aerospace equipment and machinery, failure analysis, management, noise, products liability, safety, technology, transportation, document examination and accident reconstruction, etc.

Areas of Expertise: Aerospace Engineering

Tel: (818) 340-7070

Limited public information. For more, contact us.

David V. Niebuhr, PhD, PE — Niebuhr Metallurgical Consulting

Metallurgical Engineer, 20 yr, provides industrial and consumer product failure analysis, on-site failure investigation, non-destructive testing, technical advising, forensic investigation and product liability expert witness services.

San Luis Obispo, CA

Areas of Expertise: Steel & Metals; Metallurgy

Tel: (805) 234-7081

Limited public information. For more, contact us.

Susan Kegley, PhD — Pesticide Research Institute

Organic Chemist, 12 yr, provides expert witness services in: Chemistry & chemicals, agriculture-pesticides, agriculture, herbicides, insecticides, fungicides, environmental fate of chemicals, pesticide drift, airborne pesticides, pesticide use.

Areas of Expertise: Chemistry

Tel: (510) 649-1714

Limited public information. For more, contact us.

Naresh J. Kar, PhD, PE — Kars’ Advanced Materials, Inc.

Engineer expert in corrosion/wear/mechanical failures, patent infringement, surface techniques, product development. Experienced witness in: automotive component, plumbing, medical device and hardware failures; explosions; food contamination issues, etc.

Areas of Expertise: Corrosion

Tel: (714) 527-7100

Limited public information. For more, contact us.

Patrick O. Shires, RCE, GE, RGPh — Cotton, Shires & Associates

Civil and Geotechnical Engineer and Geophysicist, experienced expert witness in natural watercourse and earth movement issues (slope stability, landslide investigations), experienced in water and wastewater treatment and distribution, dams, power plants

Areas of Expertise: Geotechnical Engineering

Tel: (408) 354-5542

Limited public information. For more, contact us.

Gordon Lakso, PE

Metallurgy Engineer (35+ yr) expert witness in metals, composites, plastics and polymers product defect failures. Provides: on-site inspection; scanning electron microscopy; metallography; optical microscopy; hardness testing; macro-photography; etc.

Areas of Expertise: Steel & Metals; Metallurgy

Tel: (925) 939-8595

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.

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.

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Experts in the News

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.

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.

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.