Occupation Health and Safety / OSHA Compliance Expert Witnesses

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.

His professional safety experience includes OSHA / MSHA Safety field work and compliance with experience in the heavy construction, manufacturing, light rail construction, power plant outages, public schools, oil and gas, mining, pipeline, and trenching and excavation industries.

• Authorized Outreach Trainer for OSHA General Industry.
• PEC Safeland Basic and Core instructor (Oil and gas).
• MSHA Approved Instructor (Blue Card) for Surface, Metal/nonmetal.
• Member of the American Society of Safety Professionals.

Litigation Support: Mr. Gerganoff assists with discovery questions regarding safety matters. Safety opinions based upon statutory, administrative, judicial rulings and related industry association safety policies ancillary to OSHA and MSHA.  Mr. Gerganoff is retained by attorneys for both Plaintiff and Defendant. Some of the subject matter litigation he has handled include:

Forklift Safety and Operation Lock Out Tag Out/Natural Gas Compressor Stations Oil and Gas Safety Manufacturing Safety Construction Safety Compressed Gas Cylinder Safety

Crane and Aerial Lift Safety Mining Safety Traffic Control Plans / MUTCD Working at Heights, Employee Safety Training Fall Protection, Ladders, Stairways

View Greg Gerganoff's Consulting Profile.

Paul E. Rosenfeld, M.S., Ph.D., is the Founder and Principal Scientist of RoseyFields LLC and a nationally recognized forensic environmental scientist and plaintiff expert witness. Over 25 years, his work has spanned complex toxic-tort and class-action litigation — including MTBE, PFOA/PFAS, asbestos, FELA railroad exposure, air-dispersion modeling, epidemiology, toxicology, industrial contamination, and pesticide exposure matters — with an aggregate case value of approximately $14 billion, and he has been deposed approximately 150 times in 31 states.

Litigation Support

Dr. Rosenfeld's opinions are based on established scientific methodologies, quantitative exposure models, peer-reviewed scientific literature, published technical methods, and reproducible calculations that can be independently evaluated and tested, providing a rigorous scientific foundation for expert opinions under Daubert and related standards for the admissibility of scientific evidence. He has authored and contributed to books and technical publications concerning environmental contamination, exposure assessment, and risk evaluation and has applied these scientific methods in expert reports, litigation, depositions, regulatory proceedings, and trial testimony.

Methodologies & Scientific Approach

Dr. Rosenfeld's air dispersion modeling work applies EPA-approved and peer-reviewed models, including AERMOD, CALPUFF, and ALOHA, to reconstruct historical emissions, source attribution, and community-level exposure pathways. His exposure and dose reconstruction methods integrate environmental sampling data, regulatory exposure factors, and published toxicological and epidemiological literature to quantify human exposure to chemicals including benzene, PFAS/PFOA, TCE, hexavalent chromium, and crystalline silica, among others. Each methodology is applied transparently, allowing the underlying calculations, data inputs, and modeling assumptions to support general cuasation opinions. 

Publications & Court Qualifications

Dr. Rosenfeld has authored six books and dozens of peer-reviewed publications on environmental contamination and risk assessment. He has been qualified as an expert under Daubert and analogous standards in federal and state courts nationwide reflecting consistent application of scientifically defensible methodologies under prevailing standards for expert testimony admissibility.

Areas of Expertise:

Quantitative Exposure Assessment Environmental Fate and Transport Air Modeling & Mapping & Clas Dose Reconstruction Quantitative Risk Assessment General Causation PCBs, Schools & Building Asbestos and talc

PFAS / PFOA  Silica / Artificial Stone / Engineered Hazardous Chemicals / Environmental Contaminants Hazardous Air Pollutants Soil Toxins PCBs and PFAS in Dust Water Pollutants Lead, Mercury, Arsenic

Michael C. Wright, PE, CSP, CPE, is a Professional Engineer with over 40 years of academic, practical, and specialized knowledge of Engineering, Construction, Safety, Maintenance, Demolition, and Training in general industry and construction activities. Mr. Wright's expertise is a definite plus in providing clients with leading-edge information and insight. A licensed and practicing engineer, he rounds out his knowledge as a Certified Safety Professional (CSP) and Certified Plant Engineer to provide an insightful and accurate understanding of the issues involved in a case. 

Mr. Wright has completed over 600 hours of specialized safety training, serves on ANSI and ASTM Standards committees, and provides a thorough knowledge of OSHA Regulations, Directives, and Letters of Interpretation. A recognized author, presenter, and trainer, Mr. Wright communicates the issues clearly for all to understand. His expert witness experience is a balanced blend of defense, plaintiff, and OSHA Solicitor cases. He is licensed in 46 states. 

Areas of Expertise:

Safety Programs Construction Product Liability Fall Protection Programs Suspended Loads Contractors Formwork Leading Edge Work Activities Machine Guarding Safety Concrete, Wood, Steel Ladder Safety

Aerial & Scissor Lifts Anchorage Points - Fall Arrest Programs Bleachers Scaffolding Multi-Employer Concrete Formwork Construction & Demolition Roofing Crane Design & Inspection Training Safety Programs (Customized Manuals)

View Mr. Wright's Curriculum Vitae

Bryan Netherland is a Safety & Premises Liability Expert Witness and consultant with more than 15 years of experience building and leading OSHA Compliance and Risk Management programs across manufacturing, logistics, and industrial operations, including Fortune 10 companies. Through Seek Safety Consulting, he provides litigation support and expert analysis to attorneys handling workplace injury, premises liability, and industrial accident cases nationwide.

Litigation Support - Mr. Netherland's work centers on standard of care, hazard recognition, and risk foreseeability. He evaluates whether a company's safety policies, training, inspections, and management systems met generally accepted safety practices, and produces clear, defensible reports built to hold up under cross-examination. Mr. Netherland is available for case evaluation, report preparation, deposition, and trial testimony for both plaintiff and defense counsel.

OHSA Matters: https://seeksafetyconsulting.com/osha-expert-witness

Safety Matters: https://seeksafetyconsulting.com/safety-expert-witness 

Premises Liability: https://seeksafetyconsulting.com/premises-liability-expert-witness 

Areas of Expertise:

OSHA Compliance Machine Guarding Slip, Trip & Fall Lockout / Tagout Confined Spaces Premises Liability

Incident Investigation & Cause Analysis Powered Industrial Trucks Fall Protection Risk Foreseeability Hazard Recognition Workplace Injury

Before founding his firm, Bryan led global workplace health and safety standards across global operations affecting more than 50,000 employees. He has further directed EHS programs for several national and international manufacturers. He holds the Certified Safety Professional (CSP), Certified Safety and Health Official (CSHO), and Associate in Risk Management (ARM) credentials, along with an MS in Occupational Safety and Health and an MBA. Bryan is a Walkway Auditor Certificate Holder (WACH) through the National Floor Safety Institute.  He has participated in or led over 100 incident investigations and is trained as a TapRoot® Advanced Root Cause Analysis Team Leader.  Bryan currently serves as an adjunct professor of occupational safety and stays practiced at explaining complex standards in plain terms a jury can follow.

John R. Storm offers a rare combination of expertise in Fire Operations, Incident Command, Fire Cause & Origin, EMS/Paramedic Standards of Care, 911 Communications, and Fire Administration, enabling him to evaluate cases from both operational and executive leadership perspectives.

With 30 years in the fire service, including 25 years as a practicing paramedic and service as a chief-level fire officer, Mr. Storm has firsthand experience with the decisions, policies, and operational practices frequently examined in litigation.

Litigation Support

Mr. Storm provides expert analysis, consulting, and testimony in matters involving fire department operations, incident command, EMS standard of care and prehospital treatment, fire cause and origin, fire code enforcement, 911 dispatch and emergency communications. Since March 2026, he has been retained in more than a dozen cases involving fire and EMS issues.

Attorneys retain Mr. Storm because he translates complex technical standards into clear, objective, and persuasive opinions supported by nationally recognized standards, accepted industry practices, and decades of practical experience. His engagements have been approximately 45% plaintiff and 55% defense, demonstrating a balanced and impartial approach.

Areas of Expertise: 

Fire & EMS Operations  Fireground Command / Tactical Operations Incident Command System Compliance Wildland Response Fire Cause & Origin 911 Dispatch   Automatic & Mutual Aid Systems Emergency Vehicle Operations & Driver Training Apparatus / Equipment Performance

EMS Standard of Care Prehospital Assessment & Treatment Scope of Practice Analysis - EMT / Paramedic Negligence Documentation Review Resuscitation / Cardiac Care Standards Standard of Care- Malpractice

Training & Supervision Failure to Train Allegations Training Program Development / Compliance Fire Officer Liability Instructor Certification  Negligence

Policy & Administration Policy Development / Enforcement Internal Investigations Human Resources- FLSA  NFPA 1582 Standards OSHA Compliance

Mr. Storm's career spans fire suppression, EMS operations, fire prevention, training, quality assurance, policy development, internal investigations, emergency communications, and executive leadership. He has commanded emergency incidents, supervised fire and EMS personnel, managed 911 communications, coordinated multi-agency responses, developed departmental policies, and overseen regulatory compliance. 

In addition to his public safety career, Mr. Storm has experience in executive recruiting and municipal consulting, providing valuable insight into hiring practices, organizational liability, and employment issues. This unique combination of operational and administrative experience strengthens his analysis of cases involving negligent supervision, hiring, training, policy development, and organizational compliance. 

Bransford Pickett, PE, DFE, BSc, MScBA, has over 25 years of experience as a Mechanical Engineer. SEFS expertise includes design and review of material handling equipment, material handling management, and ship board systems. SEFS offers litigation support services for Accident Investigation and Reconstruction covering failure analysis, process simulation, regulatory compliance, equipment reliability, and personal injury / safety. His materials handling and engineering services are offered to attorneys, insurance and end user companies nationally and internationally.

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

View Bransford Pickett's Consulting Profile.

Professor Christopher J. Tennant, PhD, CIH, has over 40 years of experience in the field of Environmental Health and Industrial Hygiene. He is Board Certified in the Comprehensive Practice of Industrial Hygiene. Dr. Tennant is currently President, CEO, and Principal Consultant at San Joaquin Environmental, in Fresno California, where he consults with Federal, State, County, City, various public agencies, and private industry sectors from public housing to Aerospace. His services are available in all 50 US States and the United Kingdom.

Dr. Tennant also serves as Professor Emeritus for the Department of Public Health at Fresno State University where he's taught Environment Health, Industrial Hygiene, and Occupational Health and Safety for 35 years at both undergraduate and post graduate levels.

Litigation Support - Dr. Tennant has been retained by numerous insurances companies and law firms on various Industrial Hygiene matters throughout the US, including workers compensation, property damage, personal injury, and wrongful death. He has testified as an expert witness in Federal Court, Superior Court, and Workers Compensation Appeals Board over 100 times. He's been deposed many more times. 

Areas of Expertise:

Mold Asbestos Lead-based Paint Bad Faith Environmental Contamination Hazardous Materials Clandestine Drug Lab Remediation Industrial Hygiene

Chemical, Biologic, and Physical Hazard Exposure Landlord / Tenant Disputes over Habitability / Sanitary Standards OSHA, HSE, and EU Compliance Wrongful Death Lead and other Heavy Metal Poisoning Indoor Air Quality and Human Health Hearing Conservation and Noise Ordinance Solvent Exposures

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:

Building Codes Construction Life Safety Standards OSHA & MIOSHA Claims ADA Claims Premises Liability Foreseeability Building Mold

Faulty Construction Latent Building Defects Failure to Disclose Personal Injury Manufactured Housing Condominium Claims Breach of Contract

 

Construction Accidents - OSHA Compliance - Labor Law 200 - CPM Scheduling - Delay Claims - Risk Analysis

Fred Mohrmann is an on-site construction expert with 40+ years experience - beginning as an electrical contractor, educated as a mechanical engineer, certified as a Construction Manager and OSHA 30, combined with experience as an Adjunct Professor, I can break down very technical and complicated issues into clear, simple facts for juries. Since 2017, I have served as a Construction Safety expert witness and litigation consultant for law firms in New York, Boston, and Chicago.

Steven Wilder has over 40 years of experience and have served as a retained expert witness in approximately 25 to 30 cases for both plaintiff and defense matters. His work has involved Hospital and Long-Term Care Security, Slip-and-Fall Hazard Analysis, Resident Elopement, Security Use-of-Force, and Workplace Violence, including trial testimony, depositions, and consulting.  He is a seasoned professional who has actually run these programs, not just studied them.