Chemical Exposures Expert Witnesses

Irvine, California

Occupational Medicine, Toxicology - Independent Medical Examiner, IME, Internal Medicine, Lung, Cancer, Sleep Apnea, Solvents, Chemical Exposures, Mold, Workers' Compensation, Bauxite, Toxicology, Diabetes, Stroke, Rheumatological Disorders, Osteoarthritis, Pulmonary Disease, Fit-For-Duty, Chronic Pain, Gastrointestinal Issues

Board Certified by the American Board of Internal Medicine, American Board of Toxicology, American Board of Independent Medical Evaluators, American Board of Quality Assurance Utilization Review Physicians, Board Certified Physician Advisor, Medical Review Officer, Certified Department of Transportation Medical Examiner, and certified in the use of the AMA Guides, for impairment determinations. Dr. Betancourt has numerous years of experience performing Independent Medical Evaluations (IME) within the scope of his credentials. His in-depth knowledge of Internal Medicine, Occupational Medicine, Biochemistry and Toxicology, provide a solid framework to thoroughly investigate and determine causation and/or formulate recommendations, for return to work, FMLA issues, or long/short term disability benefits. Dr. Betancourt has performed IMEs addressing Ehlers-Danlos, heart disease (chronic and acute), diabetes with complications, pulmonary disease, gastrointestinal disease, cancer, strok...

San Diego, California

Occupational Medicine, Public Health - Chemical Exposures, Heat Injuries, Asbestos, Dust, Mold, Air Quality, Heavy Metals, Radiation, Toxicology, Fitness for Duty, Return to Work, Malingering, Stress, Violence, PTSD, Personal Injury, Disability, Chronic Pain, Telemedicine, Primary Care

Harvard Instructor of Physicians, Harvard-trained (Residency & MPH), double board-certified, full-time practicing physician in Occupational and Environmental Medicine, Public Health, and General Preventive Medicine. Medical expert work with the Massachusetts Institute of Technology (MIT), the World Health Organization (WHO), American College of Occupational and Environmental Medicine (ACOEM), and MDGuidelines®. Published original research on Long Term and Short Term Disability in ACOEM’s Journal of Occupational and Environmental Medicine and chapter author of Psychological Factors and Workforce Health in ACOEM’s Occupational Health Guide. Published with the World Health Organization in the Journal of Infectious Disease on Ebola infections in health care workers. His involvement in the coronavirus (COVID-19) response includes instructing medical, health, and safety professionals, creating policies and procedures, directing preventive medicine and public health, mitigating transmiss...

Mill Valley, California

Neurology, Occupational Medicine - Neurotoxicology, Metals, Aluminum, Arsenic, Lead, Mercury, Manganese, Thallium, Tin, Zinc, Solvents, Pesticides, gases/ asphyxiants, Carbon Monoxide, Electromyography, Environmental, Chemical Exposures, Toxic Neuropathy, Mold, Head trauma

Dr. Rutchik is one of very few physicians in the United States board certified both in Neurology and Occupational and Environmental Medicine. He is also an associate professor of Medicine at UCSF where he taught medical students, medical residents and nurses. He is also an experienced California State Qualified Medical Examiner. He is a Fellow of both the American Academy of Neurology (AAN) and the American College of Occupational and Environmental Medicine (ACOEM). He provides clinical evaluations and treatment, including electromyography, of individuals and populations with suspected neurological illness secondary to workplace injuries or chemical exposure; neurological trauma, and neurological fitness for duty in safety sensitive populations. He has five office locations in Northern California; San Francisco, Richmond, Petaluma, Sacramento and Arcata, CA. Other services include independent medical examinations, medical record review, utilization review and consulting to ...

Fresno/Coarsegold, California

Indoor Air Quality, Industrial Hygiene - Asbestos, Lead, Heavy metals, Environmental Contamination, Indoor Air Quality, Occupational Health, Workers Compensation, Workplace Wrongful Death, Chemical Exposures, Drug Labs, Nicotine, Methamphetamine, Solvents, Volatile Organic Compounds (VOC's), Mold, Microbiological Contamination, Real Estate

Professor, Environmental Health/Industrial Hygiene, Department of Public Health, California State University Fresno, for 35 years. 40 years' experience providing consultations services in numerous US States to Local, State and Federal Government Agencies (IRS, US Post Office, US Navy, US Airforce, US Army, National Parks Service, and many others), Insurance companies, Law Firms, building owners (public, commercial and private), and private industry including many top 500 fortune companies. Extensive experience testifying in Federal Court, State Superior Courts, Workers Compensation Appeals Boards with an exceptionally high success rate. Extensive experience in depositions, trial preparation, jury selection and other matters to ensure a successful outcome at trial.

Lemont, Illinois

Industrial Hygiene, Safety - Certified Industrial Hygienist (CIH), chemical exposures, workplace injuries, workplace fatalities, safety management practices, safety warnings, safety communication, OSHA compliance, laboratory safety, infection prevention

Dr. Hogan’s practical work experience and communication skills are effective in explaining complex issues. Dr. Hogan has consulted with defense and plaintiff firms on over 100 litigation matters, prepared over 40 expert reports, and testified in over 35 cases regarding worker injuries and illnesses, acute and chronic chemical injuries/illnesses, biohazards (including SARS-CoV-2), and other matters. Certified Industrial Hygienist. Evaluate chemical exposures, workplace injuries and safety management practices. Consulted on 100+ cases on behalf of defendants and plaintiffs since 2000. Testified on: chemical exposures, safety warnings, infection prevention, safety management, workplace injuries and fatalities. Consultant (since 1990) with over 400 clients, providing industrial hygiene, safety, and environmental health services. Business sectors includes: manufacturing, utilities, food production, petrochemical, hospitals, pharmaceuticals, plastics, waste management, universities, and ...

Blacksburg, Virginia

Products Liability, Warnings & Labels - Injury, Illness, Product Liability, Premises Liability, Industrial Accidents, Warnings and Labels, OSHA, Worker's Compensation, Human Factors, Safe Equipment Design, Respiratory Protection, Respiratory Illness, Chemical Exposures, Dust, Asbestos, Silica, Lead, Temperature Extremes, Laboratory Safety

Expertise in: product design and safety; design of product warnings and labels; chemical exposure risks, analysis, and health outcomes; industrial system design, safety, and training. I am an associate professor of safety engineering and human factors engineering and the Director of the Product and System Safety Laboratory in the Grado Department of Industrial and Systems Engineering at Virginia Tech in Blacksburg, VA. I hold MS and PhD degrees in safety engineering and the certified safety professional (CSP), certified industrial hygienist (CIH), and certified hazardous materials manager (CHMM) credentials. I have over 30 years of experience in the fields of industrial hygiene and safety engineering: conducting investigations and designing safe work systems. I led a compliance organization responsible for conducting investigations and ensuring compliance with safety and health standards (OSHA and EPA). I have 21 years of university teaching experience and have taugh...