expert witnesses
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Accident Investigation & Reconstruction Expert Witnesses: 110
Current Category:
Patent Mechanical Engineer Product Liability Expert Witness David Smith
David Smith
Vice President
111 W. Canyon Crest Road
Alpine UT
84004
USA
phone: 801-763-8484
fax: 801-763-5755

David Smith is an experienced mechanical engineer (MS, PE) with seven issued patents. Award-winning inventor. Vice President of Alpine Engineering and Design, a mechanical engineering consulting company with clients around the United States ranging from individual inventors to Fortune 500 companies. Worked on the development of multiple successful products including among other things: aerial lifts, garbage trucks, thrill rides, ziplines, trailers, oil and gas equipment, exercise equipment, manufacturing equipment, and multiple consumer products.
Graduated Cum Laude with a bachelor's degree in mechanical engineering. Completed a master's of science degree in mechanical engineering and an MBA with an emphasis in product development. Licensed professional engineer (PE) and certified safety professional in comprehensive practice (CSP). Certified trainer for boom lifts, scissor lifts, rough terrain, and counterbalanced forklifts. Over 10 years of experience in product development, patents, equipment safety, and risk assessments.
Experienced expert witness having drafted over 200 reports/declarations in patent cases and catastrophic injury and death cases. Designed and built multiple custom testing devices to obtain data and evaluate opinions. Created multiple demonstratives to explain the mechanics and circumstances of accident sequences and patented devices. Testified in deposition 11 times and in trial once.
Expert Witness Services
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Surveying Engineering Expert Witness Frank Ferrantello
Frank S. Ferrantello, PLS
Land Surveyor
12 West Mall
Plainview NY
11803
USA
phone: 516-249-6363
Frank S. Ferrantello, PLS, is a New York State Licensed Land Surveyor with over 20 years of experience in Surveying, Civil Engineering, and Land Use Planning. Both his field and office Work experience have dealt with a wide range of projects and sites including residential single, multifamily, high rise municipal, utility, private and public, commercial, and industrial. Prior to and post college,
Mr. Ferrantello worked for the firm of John P. Ferrantello PC from 1998 to 2010 and MJM engineering from 2008 to 2016. His duties consisted of performing office and field surveying, drafting, research, computations, boundary analysis, solutions, investigations and determinations.
Mr. Ferrantello also has extensive experience in Site Planning and Subdivision Consulting, examining title records, deeds and other recorded documents such as ingress and egress, pedestrian easements, right of ways, air and development rights, vista easements, bridle paths, beach, bathing and mooring rights, covenants and restrictions, real property, zoning, and other land use principles.
Litigation Support - A mapping professional, Frank S. Ferrantello will enhancing your case, whether it is a vehicular accident, tree collision, wrongful death, adverse possession, extreme error, or misconduct surveys and maps. He has extensive knowledge of the local Long Island zoning codes, site planning and subdivision regulations. His services are available to attorneys representing plaintiff and defendant, insurance companies, and experienced developers.
Legal Services:
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Areas of Expertise:
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Marine Investigation Expert Witness George Zeitler
George Zeitler, MSc
13776 NW 22nd Place
Sunrise FL
33323
USA
phone: 954-804-8919

George Zeitler, MSc, has over 30 years of experience in the Marine Industry in various regulatory, management, and consulting roles. He is an Accredited Marine Surveyor (Y&SC) by the Society of Accredited Marine Surveyors and a Member of the International Institute of Marine Surveying.
Background Experience - Mr. Zeitler served 18 years as a USCG Marine Inspector / Casualty Investigator, and 7 years as a Class Society principal surveyor (DNV). He then spent 1 year as VP of Operations for a niche cruise line. Mr. Zeitler went on to serve 5 years as a technical consultant for various segments of the marine industry, including 2 years as third party environmental auditor for criminal pollution cases. He has been an Accredited Yacht and Small Craft Surveyor for over 15 years.
In 2002, Mr. Zeitler formed Zeitler Marine Services (ZMS), using his experience and knowledge to offer condition and valuation (pre-purchase and insurance) and damage survey services to the yachting and recreational boating communities in south Florida. He is currently the Director of the Chapman School of Seamanship Yacht and Small Craft survey course.
Litigation Support - Mr. Zeitler uses his vast experience verifying Compliance with Applicable Maritime Laws / Regulations through on site surveys and audits of client's vessels. His years of operational and regulatory enforcement help provide clients with a unique perspective that is key in identifying vulnerabilities onboard vessels as well as gaps in policies and procedures. He functions as a Court Appointed Monitor in situations where vessel operators are negotiating a plea agreement for a DOJ-approved Environmental Compliance Programs.
Areas of Expertise:
- Vessel Design and Construction
- Vessel Compliance with International and US Laws and Regulations
- Compliance with Federal and Voluntary (ABYC) Standards for Yachts and Small Craft
- Casualty Investigation
- Vessel Operations
- Cruise Ship Management, Operation, and Safety
- Environmental Compliance and Auditing
Architect Construction Management Expert Witness Jeffrey Weinstein
Office of Design & Construction
2115 Third Street, Suite 208
Santa Monica CA
90405
USA
phone: 805-798-0010

Expert in real estate development, government approvals, entitlements & permits, architect's standard of care, construction management, claims & defects, A/E/C agreements. Expertise includes building envelope & water intrusion, zoning & building codes, errors/omissions, destructive testing & repair, schools (DSA), hospitals (OSHPD), condominiums, commercial/retail/mixed-use projects, high-rise structures, hotels & resorts. Previous employers include Nadel and Callison Architects, Tishman Construction, Trammel Crow Company, Kaiser Permanente, and California State University.
Professional Licenses / Certifications / Affiliations:
- California Registered Architect, License #12822
- Member, American Institute of Architects, Urban Land Institute, Construction Specification Institute, and Society for Marketing Professional Services
- Member, North Santa Barbara County Board of Architectural Review
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Construction Expert Ronald Tyson
Ronald Tyson
President
565 N. Ortonville Road
Ortonville MI
48462
USA
phone: 248-230-9561
fax: 247-627-4774

Ronald Tyson is a Building and Premises Expert in the construction business for over 45 years. He has years of hands on experience in the individual trades as a tradesman, subcontractor and general contractor.
Mr. Tyson has been a Michigan licensed builder since 1967 and has functioned as a general contractor and provided supervisory tasks for Tyson Enterprises, Incorporated and other contractors on all types of industrial, public, commercial and residential construction projects since 1963. He is a member of numerous building code and standard authorities, including but not limited to IBC [BOCA, UBC] NFPA, IAEI, NAHB, etc.
Mr. Tyson's experience and expertise can help clients with contracts, safety, and other obligations as they may affect project control of contractors and/or project managers. He can advise on the duties in new and remodeling construction and maintenance required by the premises owner.
Litigation Support - Mr. Tyson has served the legal community as a Construction Expert Witness for 35 years. He has worked for both plaintiff and defendant attorneys. He is available to perform onsite inspections, research, review litigation matters, makes drawings, interview litigants, and provides evidence for court, including correct building code and life safety statutes and standards as they may affect personal injury claims, construction, contracts, etc. and causation. Mr. Tyson has never been disqualified in over 200 times in court.
Areas of Expertise:
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Passenger Transportation Expert Ned Einstein
Ned Einstein
President
41 Hickory Hill Drive
Warwick NY
10990
USA
phone: 212-766-1121 (NY) or 818-988-4586 (LA)
fax: 212-766-1122

Areas of Expertise: Accident analysis, testimony and mediation in vehicle and pedestrian accidents involving transit, paratransit, schoolbus, motorcoach, special education, non-emergency medical transportation, taxi, shuttle, child transport systems and services; slips and falls; crossing, boarding and alighting; wheelchairs; seatbelts; ADA and accessibility; passenger safety, security and sexual abuse; vehicle design, specification, crashworthiness, quality assurance and product liability; industry standards and practices; driver training and vehicle operation; management, monitoring, supervision and enforcement; maintenance; NHTSA, FTA, FMCSA and USDOT regulations; vehicle testing and certification; contract negotiation and compliance; risk management; planning and system design.
The Firm: Transportation Alternatives is a passenger transportation and automotive consortium engaged in consulting and forensic accident investigation and analysis (more than 600 cases). Specializes in elderly, disabled, schoolchildren.
Education: MURP (Urban and Regional Planning): George Washington University, 1975 BA, English Literature: Rutgers University, 1969
Professional Experience:
- President, Transportation Alternatives (1980 to present). Consulted to USDOT, transit agencies, private contractors, social service agencies, municipalities and school districts. Designed several major transportation systems
- Chairman/General Manager, PTS Transportation (1982-1992). Directed operations of a 70-vehicle paratransit system for physically and developmentally disabled individuals and a non-emergency medical transportation (NEMT) service
- President, TAM-USA (1989-1995). Formed and directed a U.S.-Slovene joint venture company which coordinated the design, testing, certification and marketing of a European-manufactured school bus and motorcoach.
Appointments and Memberships:
- American Public Transportation Association
- National Association of Pupil Transportation
- United Motorcoach Association
- American Bus Association
- Community Transportation Association of America
- Association Internationale pour la Sécurité du Transport des Jeunes
- National School Transportation Conference (1995, 2000, 2005)
- Committee on School Transportation Safety, National Academy of Sciences
- Bus Industry Safety Committee (ABA)
- Access Committee (APTA)
Sports and Recreation Sports Injury Expert Witness Alphonses Heraghty
Alphonses J. Heraghty, MSE, CPSI
Sport, Fitness, and Recreation Expert
45 Ashley Circle
Commack NY
11725
USA
phone: 631-241-3058

Professor Heraghty currently serves as Chairperson of Health, Physical Education and Sport Management at the State University of New York (SUNY) college at Suffolk. Prior to this role, he served as the Fitness & Aquatics Director and Men's Head Lacrosse Coach at SUNY Suffolk. He is a Certified Playground Safety Inspector (CPSI) credentialed by the National Recreation and Park Association and is also certified by the National Program for Playground Safety. He currently serves on the Sports Equipment, Playing Services, and Facilities committee with the American Society for Testing and Materials International (ASTM).
Litigation Support - Professor Heraghty specializes in Risk Management Programs for various types of sports, recreation and fitness activities as well as the preparation of expert opinions for both plaintiff and defendants, in conjunction with Recreation and Sport Personal Injury cases.
Areas of Expertise
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Pipeline Operations and Integrity Management Expert Witness Bryan Melan
Bryan Melan, PE, Ceng
Owner/Principal Engineer
425 Granite Rock Lane
Georgetown TX
78628
USA
phone: 713-992-5710

Bryan Melan, PE, has over 40 years of experience in Mechanical and Structural Engineering and Project Management in the upstream and midstream oil and gas industries, including 30 years specializing in Pipeline Integrity Management and Engineering with Sunoco Logistics, Marathon-Ashland Pipeline, and Marathon Oil Company. He is a holder of two patents for a Pipeline Integrity Management Process. He also worked as a project engineer/manager for Amoco Production Co. and McDermott International. Mr. Melan was most recently Pipeline Integrity Subject Matter Expert for Marathon Oil's worldwide assets. Just prior to that, he served as Pipeline Technical Authority for Marathon Oil UK ltd. and Marathon Ireland. He is the chairman of the NACE task group responsible for standard SP-0102 (In-Line Inspection of Pipelines), former vice-chairman of the NACE ILI committee for In Line Inspection technical information exchange, and current vice-chairman of the NACE task group responsible for Publication 35100, the “In-Line Inspection State-of-the-Art” document. |
Mr. Melan was also past chairman of the API workgroup which developed the API 1163, “In-Line Inspection Systems Qualification” standard, and past chairman of an ad-hoc committee established at the request of the USDOT Office of Pipeline Safety (currently PHMSA) in creating the frameworks for API 1163, NACE SP0102, and ASNT ILI-PQ (In-line Inspection Personnel Qualification and Certification). While on assignment in the UK, he participated in the creation of Parts 4 and 5 of British Standard PD8010 (Code of Practice for Pipelines).
Litigation Support - As a Pipeline Construction, Operations, and Maintenance subject matter expert witness, Mr. Melan provides services to attorneys representing plaintiff and defendant. His In-line Inspection evaluation services allow him to evaluate pipes and pipelines using non-destructive examination techniques to detect and size internal and external damage. He has been retained domestically and internationally. Mr. Melan's services include on-site inspections, thorough reporting, depositions, and trial testimony.
Areas of Expertise:
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Firearms Use of Force Expert Witness Emanuel Kapelsohn
Emanuel Kapelsohn, JD
President
1636 N. Cedar Crest Blvd., #320
Allentown PA
18104
USA
phone: 610-360-7053

Emanuel Kapelsohn is an internationally recognized Firearms Training and Use of Force consultant who has instructed thousands of police and security officers, federal agents and others throughout the U.S. and abroad since 1980. A graduate of Yale University and Harvard Law School, he is a practicing attorney in addition to his consulting work.
As vice president of the Internat’l Assoc. of Law Enforcement Firearms Instructors, Mr. Kapelsohn is a certified in force science and shooting scene reconstruction, and as an instructor in numerous law enforcement disciplines. He is a featured presenter at national and international instructor conferences. He has authored over 130 published articles, is Associate Editor of "Standards & Practices Guide for Law Enforcement Firearms Instructors," and principal author of "Firearms Training Standards for Law Enforcement Personnel," and "Guidelines for Simulation Training Safety."
Mr. Kapelsohn testifies as an expert witness in civil and criminal cases in state and federal courts nationwide, and has testified by invitation before both houses of Congress.
Testimony on the Following Subjects:
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Construction Expert Ted Merrill
Ted S. Merrill
General Construction Consultant
7777 Alvarado Road
Suite 408A
La Mesa CA
91942
USA
phone: 619-464-3997
fax: 619-464-8581

Ted Merrill has over 68 years of experience that includes all phases of Construction and Damage Repair. Mr. Merrill has 50 years of experience in Estimating and Reconstruction of buildings damaged by Fire, Wind, Water, Motor Vehicles, Earth Movement, and Construction Defects.
Mr. Merrill has held positions ranging from laborer, apprentice carpenter, carpenter, superintendent, estimator, and general contractor. He has contracted with federal and state governments, local cities, school districts, insurance companies, and individual owners of residential, commercial, and industrial buildings.
Litigation Support - Ted Merrill has testified as an expert in Municipal, Superior, and Federal courts. His services are available to attorneys representing plaintiff and defendant and include site review, thorough investigations and reports, depositions, arbitration, and trial testimony as needed.
Construction Areas of Expertise:
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Forensic Engineer Expert Kristopher Seluga
Kristopher J. Seluga, PE
Managing Partner
500 Ferry Boulevard
Stratford CT
06615
USA
phone: 800-358-9909

Kristopher J. Seluga, PE, is a Mechanical Engineering, Accident Reconstruction, Biomechanics, and Safety Expert with over 20 years of experience. He received his Bachelor’s and Master’s degrees from the Mechanical Engineering department at MIT where he worked on the development of novel three-dimensional printing technologies.
Mr. Seluga is also a licensed Professional Engineer in New York and Connecticut, and has served as a member of the ANSI engineering committee for the Z130.1 and Z135 standards for golf cars and PTV’s. His research interests and peer reviewed publications span the topics of Motor Vehicle Dynamics, Product Safety, and Biomechanics.
Litigation Support - Mr. Seluga has been working as a forensic engineer at Technology Associates since 2001. He has investigated 100s of accidents for both plaintiffs and defendants. Mr. Seluga has been qualified to testify as an expert in state and federal court and is experienced in testifying in depositions and trials. He has successfully defeated Daubert / Frye challenges and can prepare and explain compelling exhibits at trial.
Areas of Expertise:
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Mechanical Engineering Expert Witness Bransford Pickett
Bransford Pickett, PE
PE Mechanical Engineering
1356 Santa Olivia Road
Chula Vista CA
91913
USA
phone: 619-977-7693
fax: 619-781-8752

Mr. Pickett is a member on the American Society of Mechanical Engineers B30 committee on Safety Codes and Standards for cranes and rigging as well as a member of several subcommittees. He is also a member of American Society of Mechanical Engineers P30 Committee- Planning for the Use of Cranes, Derricks, Hoists, Cableways and Lifting Accessories. ASME BTH Standards Committee.
Mr. Pickett is a Professional Engineer, and holds a BSE from the University of Michigan, Ann Arbor, and a MScBA in Finance from San Diego State University, as well as a board certified Diplomate Forensic Engineer. He has qualified as an expert witness in the State of New York Supreme Court and the State of California Supreme Court.
Accident Investigation:
- Man baskets, Forklifts, Scissors Lifts, Aerial Lifts, Rigging Gear, Hydraulic Jacks, and Hydraulic / pneumatic Lift Systems, Automotive Lift Systems, Conveyors, Pallet and Packages Conveyors, Pneumatic Systems, Machine tools, Boats, Barges, and Elevators
- Tower, Mobile, Bridge, Truck, Portal, Container, Jib and Floating Barge Cranes, and Derricks
- Operator training compliance to National Commission for the Certification of Crane Operators, NCCCO, requirements for tower crane, mobile crane, overhead crane, articulating crane operator training and certification, signal person, and rigger certification
- Compliance covers applicable national and international standards that include the ABS, ASTM, ASM, ASME, ANSI, WSTDA, ALI, etc. and DIN, EN, FEM to list a few. National regulations include state and federal OSHA requirements as well as DOE, military specifications and standards
Safety Engineering Expert Dale Wheeler
Dale Wheeler
PE
139 Old Creek Road
AND: 12200 Bunya Lane, Ruther Glen, VA 22546
Palos Park IL
60464
USA
phone: 703-477-5928
fax: 703-794-1744
Dale Wheeler is licensed in Fire Protection and Safety Engineering, and is certified in Basic Code Enforcement / Building Inspection by the Building Officials and Code Administrators (BOCA). He is published on fire safety in Atrium Buildings and in Exhibition Halls. Mr. Wheeler's Areas of Expertise include:
- Fire Protection System Design, installation and operation:
- Fire detection
- Smoke detection
- Fire alarm
- Central Station
- Sprinkler systems
- Fire suppression systems
- Smoke control - Fire and Smoke Barriers
- Building Code, Life Safety Code, and Fire Code Compliance
- Fire Hazard, Building Materials, Fire Resistance Ratings
- Fire Cause and Origin
- Arson
- Means of egress, egress signage, emergency lighting
- Forensic Fire and Fire Systems Investigation
Snow Removal Expert Witness Jeremy Swenson
Jeremy Swenson, CSP
11940 Cartwright Avenue, Suite 300
Grandview MO
64030
USA
phone: 816-564-9131
fax: 816-761-5309

Swenson Consulting offers Snow Removal Expert Witness Services to legal professionals needing assistance with snow and ice removal slip and fall cases. They are experts in black ice, sleet, freezing rain, slick conditions, freezing fog, and re-freezing. Swenson Consulting is very familiar with the snow and ice removal industry standard operations and practices across the country, and will help determine how this relates to the snow removal agreement or operations in a slip and fall incident or snow related accident.
Principal, Jeremy Swenson, CSP, has satisfied requirements by SIMA (largest nationally recognized snow and ice trade organization-Snow and Ice Management Association) to become a Certified Snow Professional. There are less than 250 CSP’s in the USA. Mr. Swenson currently owns and operates Snowmen, one of the largest snow and ice management companies in North America. He is Security Clearanced and trained for onsite snow operations at the IRS Regional Headquarters, FBI Headquarters, Department Of Treasury Buildings, and many types of Airport, Railroad, Organ Transplant Centers, and Medical facilities. After overseeing thousands of commercial accounts over the years, he has worked through most every issue that is relevant to a snow removal operation in the industry.
Litigation Support - Mr. Swenson works with attorneys on defense and plaintiff sides with regards to snow removal, ice treatment, and snow removal best practices issues. He works nationwide and will travel. Swenson Consulting also offers detailed Weather Analysis services and reports for situations surrounding a slip and fall event or accident and will offer detailed weather expert witness consultation regarding the weather surrounding the slip and fall accident.
Metallurgy Design Engineering Expert Witness Thomas Caldwell
Thomas W. Caldwell, PE
Bedford NH
03110
USA
phone: 608-345-3050
fax: 603-488-1765

Mr. Caldwell has designed and manufactured components for consumer and industrial products, including safety-critical applications such as aircraft landing gear brakes, seat belt lockup devices, windshield wiper, and window lift motor systems. He has experience creating and guiding technology development and manufacturing partnerships in Europe and Asia, licensing and selling intellectual property and creating supply chains in China.
Mr. Caldwell has lectured in the USA, Germany, Switzerland, and India on manufacturing premium quality metal products and manufacturing processes, and was a technical paper peer reviewer for 20 years for the Society of Automotive Engineers. A United States patent holder, he has published peer reviewed research in electrochemistry and materials processing, and has written and spoken numerous times on the subject of Materials Selection.
Litigation Support - Thomas W. Caldwell, PE, is a testifying and consulting expert for both plaintiff and defense counsel. His cases involve product failure for ferrous and non-ferrous alloy products such as hand tools, recreational and exercise equipment, fire fighting apparatus, rotating industrial machinery, construction hardware, piping, and lighting fixtures. Mr. Caldwell utilizes destructive and non-destructive methods for insuring product integrity.
Areas of Expertise:
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