|Failure Analysis||Accident Reconstruction|
|Fire & Explosion Analysis||........Safety|
|Components & Machinery|
Metallurgy & Corrosion
Dynamics of Impact & Collisions
Friction Analysis / Slips, Trips and Falls
Intellectual Property & Patent Review
Accident Reconstruction / Animation
Computer Aided Design
Education & Training
|Electrocution & Switch Malfunction|
Grounding & Lightning Protection
Lightning Impulse Testing
Products and Premises Liability & Safety
High-Voltage & Current Power Systems
Bridge Design and Safety
Fire & Explosion Cause and Origin
And Much More...
|Credentials:||B.S., M.S., M.Eng., M.B.A., J.D., and Ph.D. Degreed|
Licensed Professional Engineers in Mechanical, Electrical, and Civil Engineering
Tenured University Professors and Professionals
NAFI Certified Fire and Explosion Investigators (CFEI)
Licensed Master Electricians
|Competence:||Over 80 Combined Years of Experience in Engineering R&D, Industry, Academia, Consulting, and Expert Witness Litigation Support|
Over 120 Combined Deposition and Court Testimonies
|Credibility:||Internationally Recognized in Our Areas of Expertise|
More Than $19 Million in Peer-reviewed and Funded Research Grants
Over 200 Combined Scientific Publications and Journal Articles
|Communication:||Over 20 Different Undergraduate and Graduate-level University Courses|
Over 30 Invited Short Courses, Talks, and Lectures
John C. Pfeiffer, P.E. has a long history in accident investigation and forensic engineering service going back to before the company was founded. John C. Pfeiffer, P.E., principal engineer, has practiced in the field of forensic engineering since the early 70’s with over 175 investigations completed or still in process. Investigations cover a wide variety of causes from product failure, material properties, and software inadequacies to human errors.
Experience includes electrical engineering, instrumentation, industrial process control and industrial automation engineering with in-depth experience in additional areas such as grounding, lightning protection, surge protection and power systems design. Also software based industrial systems such as programmable logic controllers and high level control systems. Performed many arc flash hazards analysis and other analysis.
Primary experience is in Industrial Design. Besides assisting in investigations we can help in determining corrective action to prevent the reoccurrence of similar accidents. Published in professional journals. Works equally for the plaintiff and defense. Primary business - design of electrical systems for industry.
Field Of Expertise:
|California Main Office:|
793A East Foothill Blvd., #200
San Luis Obispo, CA 93405
Global Forensic Services, LLC (GFS) is a Forensic Consulting, Laboratory and Investigative Firm offering over 37 years of experience and training in a wide range of forensic science and private investigation disciplines.
Larry Stewart has personally examined tens of thousands of individual items of evidence from sources such as state, local, and federal agencies (e.g. Federal Bureau of Investigation, Secret Service, Bureau of Alcohol, Tobacco and Firearms, Central Intelligence Agency, and others), and foreign governments. On several occasions he has examined cases involving international disputes between governments.
Mr. Stewart has testified as an Expert Witness in state, federal and military courts of law, as well as in foreign court systems to include; Austria, Australia, Canada, Germany, Sri Lanka and Thailand. He has also testified at The Hague in the Netherlands and three times as an expert before the U.S. Congress.
Areas of Expertise Include:
William Guentzler, Ph.D. has over 30 years as a Forensic Examiner and 36 years as a University Professor. Dr. Guentzler specializes in the area of FAILURE ANALYSIS for autos, trucks, ATCs, ATVs, motorcycles, motor homes, marine and golf carts.
Areas of Expertise:
Dr. Guentzler has served as an Expert Witness for both Plaintiff and Defense in over 550 Cases. References are available upon request.