expert witnesses
Accident Investigation and Reconstruction Expert Witnesses: 84
Mechanical Engineering Fluid Systems Expert Witnesses Mechanical Solutions Inc
William D. Marscher, PE
CEO, Senior Engineer
11 Apollo Drive
Whippany NJ
07981
USA
phone: 973-326-9920 x-111
fax: 973-326-9919
Injury Biomechanics Expert Witness Mari Truman
Mari S. Truman, PE
Principal Engineer
221 N. Union St.
Waraw IN
46580
USA
phone: 574-265-1726
fax: 866-470-6125
Overhead Crane Expert Witness D Larry Dunville
D. Larry Dunville
See Multiple Addresses Below
AZ, MI USA
phone: 574-210-8612
Ergonomics Industrial Engineering Expert Witness Page Engineering
George B. Page, CPE
Founder
1402 E. Kimmel Rd.
Jackson MI
49201
USA
phone: 517-782-3154
Equine Accident Expert Witness Greg Coulson
Greg Coulson
Owner, Equestrian Expert Witness
4401 Sulphur Mountain Rd.
Ojai CA
93023
USA
phone: 805-217-1549
Pool Operations Expert Witness Trevor Sherwood
Trevor A. Sherwood, II
Owner
231 Chambersbridge Road, Unit C
Brick NJ
08723
USA
phone: 732-451-1040
fax: 732-451-1630
Audio Video Forensic Analysis Expert Witness Nick Barreiro
Nick Barreiro, BAC, AVFA, DIVRT, AFCE
Chief Forensic Analyst
6688 Nolensville Rd
Suite 108-129
Brentwood TN
37027
USA
phone: 615-854-8055
Forensic Structural Engineering Expert Witness Casey Hemmatyar
Casey K. Hemmatyar, PE, SE
Chief Expert
515 South Flower St.,
Suite 1800
Los Angeles CA
90071
USA
phone: 213-261-6600
Ergonomics Safety Expert Witness Jerry Purswell
Jerry Purswell
Human Factors, Ergonomics, & Safety Consulting
2050 SPRINGCREST RD
COLORADO SPGS CO
80920
USA
phone: 7193300126
fax: 719-265-6905
Forensic Safety Engineering Expert Witness Kevin Smith
R. Kevin Smith, P.E., D.F.E.
President, R. K. Smith Engineering
1539 Chalone Ct.
Crown Point IN
46307
USA
phone: 219-226-9510 (Office)708-790-1938 (Cell)
Forensic Engineer Expert Dr Rasty
Prof. J. Rasty, Ph.D., PE, MBA, CFEI, CFII
Founding President & CEO
2309 19th Street
Lubbock TX
79401
USA
phone: (806) 368-9811
fax: (806) 368-9812
Trucking Technology Expert Witness Joel Beal
Joel Beal
PO Box 122346
Arlington TX
76012
USA
phone: 817-480-0926
OSHA Safety Construction Expert Witness Greg Gerganoff
Greg Gerganoff, CSP, Esq.
Certified Safety Professional
Denver, CO
All States USA
phone: 303-330-4616
Engineering Expert Michael Wright
Michael C. Wright, PE, CSP, CPE
President
9363 Detrick Jordan Pike
New Carlisle OH
45344-9140
USA
phone: 937-964-1900
fax: 937-964-8457
Featured resources
by Allan D. Windt
by Aaron T. Olson, et al
by Christopher Lowery, DHSc, CLCP
William D. Marscher, PE, performs expert witnessing and engineering work in the field of Fluid Systems and their Rotating and Reciprocating Machinery, particularly large turbines, generators, compressors, and pumps. His typical work responsibilities include design, analysis, and testing of all types of plant machinery, as well as other types of fluid and mechanical systems. Mr. Marscher has background in various types of turbines (including hydraulic, steam, and gas), as well as various types of pumps, including centrifugal as well as positive displacement (e.g. reciprocating, gear, rotary, and screw).
Dr. Edward Bennett is MSI’s VP of Fluids Engineering. Dr. Bennett graduated from the Naval Academy, following which he was a navy test pilot. Later he received his PhD in Fluid Dynamics from Johns Hopkins University. Dr. Bennett has been a well-known leader in Fluid Dynamics and the Aero/hydrodynamic Design of Turbomachinery for the past thirty plus years.
Paul A. Boyadjis is Director of Rotating Machinery Analysis for MSI. Mr. Boyadjis has a BS and MS in Mechanical Engineering from Lehigh University where he graduated summa cum laude. He has over 35 years of diverse experience in the analysis and Design of Centrifugal Pumps and Pumping Systems, as well as Centrifugal Compressors. His specialty includes complex 3D solids modeling for stress and vibration analysis using advanced finite element techniques, and he has worked as a lead analytical engineer for major manufacturers.
George B. Page, CPE, is a Certified Professional Ergonomist. Since founding Page Engineering, Mr. Page has been providing ergonomics services, integrating multiple disciplines (industrial engineering, safety, health, business, regulatory) to provide effective results, whether in the application of job analyses and job improvement processes or in physical job demands analyses. His experience includes conducting ergonomics analyses and research in the railroad industry, primarily, and in heavy industry, in general, for over 30 years. Clients include Union Pacific Railroad, Kansas City Southern Railways, Association of American Railroads, FedEx, American Petroleum Institute, Food Marketing Institute, Food Distributors International, Blue Water Bridge Authority, USPS. His expertise includes job exposure assessments, physical demands assessments, accident reconstruction, and forensic engineering.
Greg G. Weames, CPE, CCPE, CRSP, is a Certified Professional Ergonomist who provides forensic services regarding Musculoskeletal Injury / Disorder Risk and expert testimony. Since joining Page Engineering, Inc., Mr. Weames has been asked to provide consulting services in ergonomics for over 500 cases involving civil lawsuit work-related injury/disorder claims. With training, education, and experience in musculoskeletal injury and musculoskeletal disorder as a focus, he applies generally accepted methodology in his analysis of causation to a reasonable degree of scientific certainty. Mr. Weames has his expert witness experience from within the railroad industry, which includes transportation, construction maintenance, mechanical shop, communications, and office environments that support a large variety of jobs and work tasks. Over the past 20 years of providing expert witness services, Mr. Weames has relied on independent, objective measurements of claimed exposures to occupational physical factors and the epidemiologic scientific literature, relevant ergonomics guidelines, and standards to support his opinions. Mr. Weames has given depositions and has appeared at jury trials in both State and Federal US courts during his years doing expert witness work.
Stephen D. Fleming, CPE, CXLT, is an Industrial Engineer / Ergonomist whose background includes analyzing work environments and work tasks using industrial engineering work measurement methods and risk assessment models for different body regions. His expertise is in assisting industrial clients in applying ergonomics to workplace processes, tools, and equipment, including all major North American railroads, FedEx, Ford Motor Company, Lear Seating, USPS, and the Blue Water Bridge Authority. Mr. Fleming has been acknowledged for developing and implementing a methodology for measuring and analyzing exposure to whole-body vibration (WBV) and hand-arm vibration (HAV).
Nick Barreiro, BAC, AVFA, DIVRT, AFCE, Chief Forensic Analyst, is a Certified Audio Video Forensic Analyst and an FBI-trained member of the Digital Imaging and Video Recovery Team. During his 15-year law enforcement career, he was a patrol sergeant, technology project manager, media forensics expert, detective, digital evidence specialist, and patrol officer. Prior to his career in law enforcement, Mr. Barreiro was an audio engineer and producer in California. He also worked for KBMB radio in Sacramento and has extensive experience and training in audio enhancement and analysis.
Joel Beal is an expert in Truck Technology with a focus on electronic logging devices (ELDs), telematics, regulatory compliance, and accident analysis. He is a nationally recognized expert with over 35 years of experience.
Greg Gerganoff, CSP, Esq., possesses extensive experience in safety compliance and practice involving OSHA and MSHA. He obtained is law degree from Western Michigan University, Cooley Law School and practiced general civil law for approximately 12 years in Colorado prior to entering the safety profession. Mr. Gerganoff earned a Certified Safety Professional certification and has 18 years of field safety experience in mining, oil and gas, construction, manufacturing, power plant outages, and light rail construction.

