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Occupational Toxicology Expert Witnesses

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Roger M. Katz, MD
11500 W. Olympic Blvd., Ste 630
Los Angeles CA 90064
USA
phone: 310-393-1550
Roger M. Katz, MD, is Board certified in Allergy and Immunology and Pediatrics. Dr. Katz has been in the private practice of Allergy & Immunology since 1973. He has been honored as one of the "Best Doctors of America" and elected as one of "Southern California Super Doctors" by his peers.

Dr. Katz is currently a Clinical Professor of Pediatrics at the David Geffen School of Medicine at UCLA. He is the author of over 100 articles, monographs, and chapters on medicine, mostly related to Allergy, Sinus and Asthma Disorders.

Litigation Support - Dr. Katz has approximately 20 years experience in defense and plaintiff expert witness evaluations. His services include Medical Legal Reviews, Depositions, and Court Appearances involving:
  • Allergy and Asthma Medical Care
  • Exposures to the Environment - i.e. Sick Building Syndromes
  • Exposures to Cleaning Agents
  • Exposures to Insecticides
  • Mold Intrusion
  • Fire Related Exposures and Effects on Asthma and Allergy
  • Oil Slick and Solvent Exposure
  • Insect Sting & Bite Reactions
View Dr. Katz's Consulting Profile.
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Dr. Richard Stripp, PhD
Toxicologist
ToxiConsult Division
132 Cove Road
Huntington NY 11743
USA
phone: 516-635-9916
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Richard Stripp, PhD, is a nationally recognized expert in Toxicology providing services in all aspects of a Clinical and Forensic Toxicology. He has served as an expert consultant in 100’s of cases in the field of toxicology and pharmacology for attorneys, investigators, and physicians involved in forensic and clinical toxicological evaluations associated with ethanol, drugs of abuse, prescription medications and chemical exposure.

Dr. Stripp provides unbiased expert case reviews involving drug effect on human performance, toxicity of iatrogenic/ therapeutic agents, lead and other toxic metals, carbon monoxide and environmental/occupational hazards. These services include, impartial evaluations involving drug impairment, overdose, toxic chemical exposure, medical issues associated with drug therapy, poisoning, and the role of drugs, alcohol, or chemical exposure in civil and criminal litigation. This covers a full breath of forensic medical-legal cases including:
  • Analytical Toxicology and Laboratory Operations
  • Review and Interpretation of Toxicology Reports
  • Assessment of Impairment and the Role of Drugs/Alcohol in fatalities, accidental injury, overdose, MVA / DWI / DUI, criminal and civil litigation
  • Insurance Claims
  • To Serve as an Expert Witness: Experienced in Depositions and Court testimony
    • Forensic Toxicology Case Reviews
    • Litigation Support
    • Workers' Compensation
    • DUI/DWI
    • Drug and Alcohol Effects
    • Pharmacology Evaluations
    • Environmental/Occupational Chemicals & Toxic Chemical Exposure
    • Interpretation of Analytical Results and Drug Testing Cases
    • Continuing Education and Lectures
    • Chemical and Product Safety
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Robert M. Greene, PhD
Louisville KY 40202
USA
phone: 502-457-6852
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Robert M. Greene, PhD, received his degree in Anatomy / Developmental Biology from the University of Virginia and obtained postdoctoral training at the National Institutes of Health. As a professor at Jefferson Medical College in Philadelphia, he conducted NIH funded research into the Genetic and Biochemical Causes of Various Birth Defects, including cleft lip, cleft palate, and neural tube defects such as spina bifida.

Since 1998, Dr. Greene has served as Founding Director of the University of Louisville Birth Defects Center, Chairperson of the Department of Molecular, Cellular & Craniofacial Biology, and as an Associate in the Department of Pediatrics.

Continuously funded by the NIH for the past 35 years, with over 160 peer-reviewed scientific publications, his research activities and scientific expertise encompass the genetic, epigenetic, and environmental causes of birth defects. Dr. Greene currently serves as an Associate Editor, for the scientific journal Birth Defects Research A: Clinical & Molecular Teratology.

Litigation Support - Dr. Greene offers expert services to attorneys for Plaintiff and Defense. He has previously served as an expert witness for the following firms: Schiller, Orborne & Barnes, Louisville, KY; Angino & Rovner, Harrisburg, PA; Collier, Shannon, Rill & Scott, Washington, D.C.

Dr. Greene's specific areas of scientific/expert witness expertise include:
  • Causes of Cleft Palate, Cleft Lip, other Craniofacial Defects
  • Causes of Neural Tube Defects Responsible for such Conditions as Spina Bifida and Anencephaly
  • Cigarette Smoke, and other Environmentally-induced Birth Defects and Intrauterine Growth Retardation
View Dr. Greene's Consulting Profile.
1/8/2015 · Medical
Issues - Plaintiff sued the city of Bloomfield, KY, claiming that contaminants, specifically trihalomethanes (THMs), in drinking water supplied by the City of Bloomfield are likely to have caused orofacial clefting deformities in children born in Bloomfield, KY in 2001.

Issues - Plaintiff sued Merrell Dow Pharmaceuticals claiming that Bendectin, an antiemetic, frequently prescribed prior to 1983 for the treatment of nausea and vomiting during pregnancy, and developed and manufactured by Merrell Dow Pharmaceuticals, caused specific birth defects in the children born to mothers treated with Bendectin.

11/13/2014 · Medical
To begin, what is the overarching mission of the University of louisville Birth Defects Center? Has this focus evolved since the Center was first established?

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Hung K. Cheung, MD, MPH, FACOEM.
1421 Clarkview Road Suite 100
Baltimore MD 21209-2188
USA
phone: Toll Free 888-361-8882 or 443-322-1228
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Hung Cheung Respiratory Environmental Medicine Expert PhotoHung Cheung, MD, MPH, FACOEM, President of Cogency Environmental, has more than 20 years of experience and is a nationally-recognized expert in Respiratory Environmental Medicine, Legionella Outbreaks, Environmental and Toxiological Investigations, Risk Communication and Medical Advisory Services.

A former Maryland State Medical Director, he teaches at the Johns Hopkins Bloomberg School of Public Health and is faculty to the Occupational and Environmental medicine program at the University Of Pennsylvania Perelman School Of Medicine. Dr. Cheung also teaches AIHA (American Industrial Hygienists Association) webinars on the topic of Legionella nationally. Board Certified in both Internal Medicine and Preventive Medicine, he holds a Master’s in Public Health from Johns Hopkins and has a medical degree from the University of Maryland.

Dr. Cheung has extensive experience working on issues of Indoor Environmental Quality on matters related to molds, microbial, chemical, and other contaminant exposures in commercial buildings, manufacturing plants, schools, and various public and residential facilities. His philosophy is a preventive medicine approach, i.e., to design, educate and prevent occurrence or reoccurrence of exposures, injuries and illnesses by determining the root cause(s) of environmental diseases, injuries or accidents and developing a plan of action for resolving the problem.

Litigation Support - Dr. Cheung provides litigation support services to counsel representing both Plaintiff and Defense. His services include clinical evaluation, diagnostic testing, environmental testing, site inspections, sampling, research development and hypothesis testing, modeling, risk communication and town hall meetings, and expert testimony when necessary.

Environmental and Occupational Health Areas of Expertise:
  • Asbestos, Lead, Benzene
  • Various Chemical Agents / VOCs / Solvents
  • Mercury / Heavy Metals
  • Metal Washing Fluids
  • Smoke Inhalation Injuries/ Air Pollution
  • Mold / Microbial Contamination
  • Indoor Air Quality / Sick Building Syndrome / Chinese Drywall Investigations
  • Innate Immunity / Infectious Agents
  • Legionella / Outbreak Investigations
  • Cancer Cluster Analysis
  • Epidemiology / Research Methods
  • Physical or Mental Impairments
  • OSHA Regulatory Compliance
  • Crisis Response
Dr. Cheung on New York Legionnaire's Disease ABC2 News


View Dr. Cheung's Consulting Profile.
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Dr. William R. Sawyer PhD, D-ABFM, D-ABFE
29 Fennell Street
Skaneateles, NY 13152
---------- Available ----------
All States
USA
phone: 800-308-0080 (toll free) or 315-685-2345
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Dr. William R. Sawyer is a Professional Toxicologist with a doctorate in toxicology from Indiana University School of Medicine. He is a diplomate of the American Board of Forensic Medicine and has over 29 years of extensive experience in Public Health and Forensic Toxicology with specialized expertise in causation analyses (plaintiff and defendant) including Alcohol toxicology, Drugs-of-Abuse, Pharmaceuticals, Herbal Products, Dioxins, Solvents, Heavy Metals, Crude Oil, and other Chemicals. Dr. Sawyer has testified in trial or deposition in over 30 states including NY, MA, CT, PA, RI, NH, DE, NJ, WV, VA, NC, SC, GA, FL, AL, MS, LA, AR, MO, KY, IN, IL, WI, MI, OH, MN, MT, WA, CA, TX, OK.

As a skilled scientist and communicator in the area of toxic tort, Dr. Sawyer provides services to governmental agencies, corporations, select plaintiffs or defendants. Dr. Sawyer currently serves as Chief Toxicologist for TCAS, LLC and served for 23 years as an Assistant Professor (adjunct) with the Department of Medicine, Upstate Medical University, Syracuse, New York. Dr. Sawyer also has approximately 14 years experience as a licensed clinical and environmental laboratory director in several states.

Lisa Myers interviews Dr. Sawyer on NBC Nightly News


TCAS Services and Expertise:
  • Alcohol Toxicology
  • Analytical Testing
  • Asbestos Toxicology
  • Birth Defects
  • Carcinogenesis
  • Causation Assessments
  • Chemical Toxicology
  • Carbon Monoxide
  • Dioxin Toxicology
  • Forensic Chemistry
  • Forensic Toxicology
  • Laboratory Services
  • Mass Toxic Tort
  • Medical Malpractice - Pharmaceuticals
  • Petroleum Toxicology
  • Forensic Source ID
  • Qualifications & Experience
    • Diplomate of the American Board of Forensic Medicine (D-ABFM) and American Board of Forensic Examiners (D-ABFE)
    • Academic Affiliations- Medical School Faculty (adjunct)
    • Government Experience - Public Health Toxicologist
    • Toxic Tort Causation / Determination - Defense, Plaintiff
    • Experienced Clinical and Environmental Laboratory Director
    • Considerable Experience with Mass Toxic Torts
    View Dr. William Sawyer's Consulting Profile.
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    Dr. Richard Parent, DABT, FATS, RAC, ERT
    President
    PO Box 1239
    Damariscotta ME 04543
    USA
    phone: 207-563-2300
    fax: 207-563-8990
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    Since 1984, Dr. Richard Parent has been providing consultations and testimony for both plaintiff and defense and has testified in local, state and federal courts around the country. He has lectured and continues to lecture on causation related to toxic exposures. He is board Certified in Toxicology by the American Board of Toxicology and the Academy of Toxicological Science and is also Regulatory Affairs Certified and a recognized expert in Toxicology in the European community. Dr. Parent sits on several editorial boards of toxicology journals and has over one hundred peer-reviewed publications and abstracts.

    In addition to litigation support, Dr. Parent has been been heavily involved in Product Safety programs including Toy Safety, and other programs related to consumer products and drugs. Further, he is involved in the REACH program in helping chemical companies to be compliant with pending European legislation and has been helping Toy manufacturers with a pro-active program of Toy Safety.

    Recent litigation activities have included sampling and health evaluation of over one thousand persons living next to a PCB and dioxin contaminated site in Mississippi, occupational evaluation of workers involved in the production of PVC, with specific emphasis on clinical tests to identify possible early stages of liver cancer and health surveys, blood testing and clinical evaluation of those exposed to Dioxins from Creosote sites. These massive projects have involved team efforts involving a physician, a toxiclogist, phlebotomists and nursing assistance.

    Individual Legal Cases Include:
  • Benzene
  • Diesel Fumes
  • Smoking
  • Sulfur Dioxide
  • RADS
  • Trichloroethylene
  • Vinyl Chloride
  • Manganese and Parkinsonism
  • Welding Fumes
  • Lindane
  • Ammonia
  • Formaldehyde
  • PPA
  • Ephedra
  • Hexavalent Chromium and Dioxin exposure at Creosote sites
  • 4/20/2012 · Toxicology
    Benzene is a highly volatile aromatic hydrocarbon solvent which is present in most petroleum distillates such as Stoddard solvent and mineral spirits. Recent advances in the purification process for these solvents has reduced the benzene content significantly, but it is still present in products such as WD-40 and Liquid Wrench as well as many solvents used in the printing industry and elsewhere.

    12/23/2011 · Toxicology
    Lead is ubiquitous in our environment. It used to be contained in gasoline but has now been replaced. It has been used in pipes, ceramic glazes, paints, and solder, among other sources. Exposure can be oral through ingestion of food or water or by inhalation from lead-containing dust or dirt.

    9/20/2011 · Toxicology
    Cocaine users may exhibit behavioral deficits. These include deficits in attention, learning, memory, executive function, and response speed.

    7/13/2011 · Toxicology
    Methadone is an opioid thought to act by decreasing release of neurotransmitters in the brain resulting in respiratory suppression and, in some cases, death.

    2/4/2011 · Toxicology
    CRUDE OIL is a complex mixture of chemicals, some volatile and some water soluble.

    Most creosote mixtures that are used today are byproducts of the petroleum industry or coal gasification processes. They are mixtures of several hundreds of chemicals mostly polynuclear aromatic hydrocarbons (PAHs) but contain a host of other chemicals including complex heterocyclic compounds

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    Ernest Chiodo
    M.D., J.D., M.P.H., M.S., C.I.H.
    221 North LaSalle,Suite 1748
    Chicago IL 60601
    USA
    phone: 312-351-0717
    Ernest P. Chiodo, M.D., J.D., M.P.H., M.S., C.I.H. is a physician, attorney, Certified Industrial Hygienist (C.I.H), and biomedical engineer. Dr. Chiodo is board certified in the specialties of Internal Medicine, Occupational and Environmental Medicine, and Public Health and General Preventive Medicine. Dr. Chiodo served as the Medical Director of the City of Detroit and was the chief physician in charge of measures designed to protect the public health of over one million persons. He has also been the lead expert witness in a number of high profile cases including serving as the lead expert witness in a mass toxic tort case for Gerry Spence.

    Areas of Expertise:
  • Toxicology
  • Epidemiology
  • Industrial Hygiene
  • Mold
  • Asbestos
  • Benzene
  • Biomedical Engineering
  • Accident Reconstruction
  • Electrocution
  • Building Related Disease
  • Biomechanics
  • Bed Bugs
  • Genetic evidence in the form of DNA profiles has proven to be a powerful tool in the advance of justice by proving the innocence of accused persons.

    Low speed motor vehicle collisions are a common occurrence. The use of cellular phones, text messaging, and e-mailing while driving has only increased the frequency of low speed motor vehicle collisions. A motor vehicle collision where there is only minor damage to the vehicles may result in personal injury claims for substantial sums.

    10/11/2012 · Toxicogenomics
    In toxic tort litigation, a person is often claiming to have developed cancer or some other serious disease due to having been exposed to a particular substance. Determining if the exposure to the substance was the cause of the disease is often a central focus of the litigation.

    9/26/2012 · Medical
    It is a common error that an attorney retains the wrong type of expert to testify in a lawsuit. This error is particularly common when the expert is a medical specialist. It is widely believed that a medical doctor who specializes in a particular organ system is qualified to formulate opinions and testify as to all issues concerning that organ system.

    Ernest Chiodo, MD, JD, MPH, CIH
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    PO Box 1534
    Hockessin DE 19707-5534
    USA
    phone: 717-854-7785
    fax: 302-635-7014
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    Lawrence Guzzardi Medical Toxicology Expert PhotoLawrence J. Guzzardi, MBA, MD, specializes in Emergency Medicine and Medical Toxicology. Dr. Guzzardi is well-known in the legal community for his work in toxicology, particularly in the area of Drugs of Abuse and Alcohol.

    Certified by the American Board of Medical Toxicology and the American Board of Emergency Medicine, Dr. Guzzardi was Director of a Substance Abuse Service. In that capacity, he examined thousands of patients as an Emergency Physician and Toxicologist. He was also Chairman of the Toxicology Committee at the American College of Emergency Physicians and Chairman of the American Medical Association's Committee on Accreditation of Correctional Health Facilities.

    Litigation Support - Dr. Guzzardi has been qualified as an expert in the Field of Human and Medical Toxicology in thirteen states and three Federal jurisdictions. His expert services include Independent Medical Examinations (IMEs), Initial Case Review, Reports, and Trial Testimony when necessary. Dr. Guzzardi provides services to attorneys representing both Plaintiff and Defense.

    Areas of Expertise:
    • Alcohol / Drugs
    • Alcohol / Drug Abuse
    • Alcohol / Drug Toxicology
    • Toxicology
    • Pharmacology
  • Toxic Inhalations
  • Mold & Toxicology
  • Mycotoxicosis
  • Medical Toxicology
  • Occupational / Environmental Toxicology
  • Cases Include:
    • Alcohol and Drug Impairment
    • Breath Testing
    • Industrial Toxicology
  • Dram Shop
  • Drugs: Testing, Impairment, Tolerance
  • Laboratory Tests: Margin of Error, Interpretation
  • View Dr. Guzzardi's Consulting Profile.
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    Jenifer S. Heath, PhD
    PO BOX 371136
    Denver CO 80237
    USA
    phone: 303-726-9601
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    Helping clients understand the potential health effects of chemical exposures.

    Jenifer S. Heath, PhD, is a Toxicologist with over 25 years of experience in Toxicology Consulting and Human Health Risk Assessment. She is also a Registered Nurse, licensed to practice in several states.

    Litigation Support - Dr. Heath serves as a testifying or non-testifying witness on cases related to toxicology and human health risk assessment. She reviews case-related documents as well as the technical literature, provides input as to the strength of cases, prepares expert reports, responds to interrogatories, suggests questions to be posed to opposing witnesses, and testifies at deposition and trial. Dr. Heath's training in mediation and arbitration contributes to her ability to succeed in highly charged settings. She has testified at both bench and jury trials.

    Dr. Heath has managed and contributed to hundreds of risk assessments for contaminated sites under many regulatory programs (including state and federal Superfunds, RCRA, UST, and property transfers). She has worked in EPA Regions 1, 2, 4, 6, 7, 8, 9 and 10, and in most of the 50 states and has successfully presented results to regulatory agencies, jury members, and the public.



    Areas of Expertise:
    • Chemical Product Liability
    • Mining
    • Lead Poisoning
    • Hydrogen Sulfide
    • Health Impact Assessment (HIA)
    • Contaminated Properties
    • Environmental Regulatory Agency Negotiations
    • Toxic Chemical Exposure (metals, solvents, petroleum)
  • Superfund (CERCLA)
  • Pesticides
  • Animal Health Products
  • Mammalian Toxicology
  • Indoor Air
  • Surface / Groundwater
  • Asbestos
  • Explosives
  • View Dr. Heath's Consulting Profile.
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    4184 Johnston Road
    Winston GA 30187
    USA
    phone: 770-359-9807 (office) and 770-359-980 (cell)
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    Ted Simon Environemntal Toxicology Expert PhotoTed W. Simon, PhD, DABT, is an award winning Environmental Toxicologist and Scientist. His expertise is in toxicology, risk assessment, mathematical modeling, statistics, neuroscience, and environmental / ecological health issues.

    Dr. Simon has over 10 years of experience as a toxicologist employed by the Environmental Protection Agency (EPA). He served as EPA’s senior toxicologist in the waste management division working on risk and soil cleanup.

    Teaching Experience - Since 2001, Dr. Simon has served as an Instructor / Adjunct Professor in the Department of Environmental Health Science, College of Public Health, at the University of Georgia.

    Public Speaker - Well published, including the author of a textbook on toxicology and environmental risk assessment, Dr. Simon has extensive national and international public speaking experience. Since 1996, he has been delivering seminars and lectures to universities and national institutes on many subjects within his area of expertise. In 2016, he delivered a lectures on “Bayesian Methods for Application of Uncertainty Factors,” to the Society of Toxicology Annual Meeting, New Orleans, LA, and “Quantitative Prediction of Phenotypic Change from High Throughput Assay Results,” to the EPA's Workshop on In Vitro to In Vivo Extrapolation, Research Triangle Park, NC.

    Litigation Support - Dr. Simon has over 15 years of experience offering expert witness services to counsel representing both plaintiff and defendant. He has been retained over 20 times since 2000 for cases involving environmental risk, drug and alcohol cases, DUI, accidental poisoning, and intellectual property. Dr. Simon has particular expertise in dioxin-like chemicals and polychlorinated biphenyls (PCBs). His services include consulting, reports, deposition, and trial testimony when necessary.

    Areas of Expertise:
    • Dioxins
    • PCBs
    • Drugs
    • Alcohol
    • Poisoning
    • DUI / DWI
    • Water Contamination
    • Soil Contamination
    • Environmental Risk Assessment
  • Environmental Toxicology
  • Carcinogenicity
  • Food Contamination
  • Pesticides
  • Fracking
  • Lead
  • Marijuana
  • Polychlorinated Biphenyls
  • Intellectual Property
  • 9/26/2016 · Environment
    The willingness to view risk as part of daily life has vanished. A risk-averse mindset among environmental regulators engenders confusion between the ethics of intention and the ethics of consequence, leading to the elevation of the precautionary principle with unintended and often unfortunate outcomes. Environmental risk assessment is conservative, but the actual level of conservatism cannot be determined. High-end exposure assumptions and current toxicity criteria from the USEPA, based on linear extrapolation for carcinogens and default uncertainty factors for systemic toxicants, obscure the degree of conservatism in risk assessments. Ideally, one could choose a percentile of the target population to include within environmental standards, but this choice is complicated by the food, pharmaceutical and advertising industries, whose activities, inadvertent or not, often promote maladaptive and unhealthy lifestyle choices.