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Pesticides Expert Witnesses

Pesticides expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on pesticides. The pesticides expert witness listings on this page are typically from fields/areas of expertise such as: Agriculture, Arborist, Building Inspection, Cannabis, Indoor Air Quality, Industrial Hygiene, Infectious Diseases, Neurology, Neuropathology, Occupational Medicine, Pharmacology, Pharmacology- Clinical, Public Health, Safety, and Toxicology.

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Steve Rohal, ACE, CPCO,CRT

Reliable Building Inspections

Alabama

Building Inspection, Indoor Air Quality - Entomology, entomologist, deficient, termite, termite treatment, infrared, Formosan, termite damage, Infestation, pesticide safety, pesticides, herbicide, roundup

I have over 39 years experience with forensic inspections and reporting. Past member of the United States Air Force Prime Base Engineer Emergency Force (PrimeBEEF) Experienced under oath expert witness. I am an Associate Certified Entomologist, Council-certified Microbial Consultant (mold), Certified Residential Thermographer (infrared), Certified Pest Operator, Wood destroying organism operator,Licensed Mold Assessor, and a Master Professional Inspector with over 10,000 inspections performed. I have under oath expert witness experience as a disclosed expert for matters such as deficient termite treatment and termite damage complaints, and pest services business practices. For a complete and up-to-date CV see my SEAK listing or email: steve@ReliableBuildingInspection.com OR to speak directly with me please call my cell anytime : 407-837-3892.

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James C. Norris, PhD, DABT, ERT

Norris Consulting Services

Benton, Arkansas

Toxicology, Pharmacology - Inhalation, pharmaceuticals, chemicals, combustion/fire, pesticides, carcinogenicity

Dr. Norris has training in pharmacology and toxicology and has been practicing for over 30 years. He has testified to governmental agencies, served on an industrial site crisis team, and acted as a media consultant. He served as an expert witness in the US, UK and Hong Kong. He also is a testifying expert witness in US Air Force and US Navy court martials.

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Jonathan S. Rutchik, MD, MPH

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 ...

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Jerry A. Formisano, Jr., PhD, CIH

Exposure analysis by math modeling per the AIHA

GKO Environmental Health Services, LLC

California

Industrial Hygiene, Public Health - mathematical modeling, asbestos, pesticides, carbon composite fibers, reproductive agents, solvents, aerosol movement, exposure reconstruction, dose reconstruction

Asbestos and Man-Made Fibers: - Ten years’ experience in counting and identification of asbestos fibers, 1987 -1997. - Designed and documented clean-up and sampling procedures of USMC Harrier AV-8B mishap, Havelock, NC. Among the first scientists to collect data on damaged composite fiber materials, 1988. - Designed, supervised, and assisted with cleanup of major asbestos removal project, saving more than $150,000 in contract costs, Naval Air Rework Facility, MCAS Cherry Point, NC, 1988. - Provided industrial hygiene support from Naval Base Subic, Philippines, for asbestos removal and remediation after major steam pipe explosion on board USS MIDWAY, 1990. - Identified over 500 samples of asbestos containing material aboard USS INDEPENDENCE, saving more than $25,000 in contracted costs. Designed, supervised, and performed asbestos rip- outs while at sea. Performed all clearance sampling. Coordinated local national (Japan) asbestos removal procedures, 1992-1994...

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Ronald Tjalkens, PHD

Neurotoxicology Professor - Parkinson's, exposures

Neurotox Consulting, LLC

Fort Collins, Colorado

Toxicology, Neuropathology - neurotoxicology, Parkinson's, pesticides, heavy metals, environmental toxicology, neurological disease, neuropathology, drugs of abuse, neurodegeneration, neuroinflammation, toxicology

Dr. Ronald Tjalkens, Ph.D., is a Professor of Toxicology and Neuroscience with over 25 years of NIH-funded research experience investigating the molecular and cellular mechanisms of neuroinflammation and its role in the progression of neurodegenerative disorders, including Parkinson’s disease and Alzheimer’s disease. His expertise spans neurotoxicology, neuropharmacology, and the effects of environmental exposures—such as heavy metals, pesticides, neurotropic viruses, and pharmacologic agents—on the nervous system. He has extensive experience using translational models of neurodegeneration, advanced imaging techniques, and AI-based image analysis to evaluate neuroinflammatory injury and identify therapeutic targets in glial cells. Dr. Tjalkens has served as an expert witness in both civil and criminal cases involving neurotoxic injury, providing testimony on causation and mechanisms of neurological damage, and brings an internationally recognized record of scholarship, leadership in...

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Lucas J Batten

Highly Skilled Cannabis Cultivation Expert

Batten Solutions, LLC

Denver, Colorado

Cannabis, Agriculture - Cultivation, Architectural, Compliance, Post Harvest, Distressed Assets, Operations, Applications, Integrated Pest Management, Quality Assessments, Equipment, Design, Consulting, Pesticides, Yield Projections and Estimates, Technical Writing, Construction, Damages, Crop Loss, Valuations

I have an extensive background in cannabis cultivation in the legal and regulated industry across the country. I have a Bachelor of Science degree from Umass Amherst in Plant, Soil, and Insect Sciences which also included business course study from the Eisenberg School of Management. I have experience with golf course work and landscape construction prior to entering the cannabis industry in 2014. Since becoming involved in legal cannabis cultivation I rapidly excelled from an entry level cultivation technician, to a national consultant over the course of 3 years. Since becoming a consultant I have worked on over 30 unique projects in 19 different states. I have experience with all aspects of cultivation, from competitive applications; design and planning of ground up projects and retrofits; operational planning and pro-forma creation; construction and project management of large and small scale facilities; equipment commissioning, facility startup, and writing/implementation of S...

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Steve Rohal, ACE, CPCO,CRT

Reliable Building Inspections

Kissimmee, Florida

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John H Murphy, BSc MHSc MBA PhD ROH CIH MACE

Leading International Occupational Hygienist

Dr JH Murphy Consulting Ltd / CrossSafety Group

Clearwater Beach, Florida

Industrial Hygiene, Indoor Air Quality - Exposure, Legionnaires, Legionella, Occupational Disease, Environmental IPAC, COVID, Epidemiology, Mold, Asbestos, Carbon Monoxide, Chemical Product Liability, Respirators, Roundup, Pesticides, Construction Nosocomial, Hazard Assessment, Aerosol Transmission, Respiratory Infection, Retrospective Exposure / Dose Estimation

75+ Engagements since 2017 / Adjunct Professor Emeritus - Occupational & Environmental Health, School of Public Health, University of Toronto / Member, American College of Epidemiology / Member, Association for Professionals in Infection Control and Epidemiology / Member, TLV Chemical Substances Committee - American Conference of Governmental Industrial Hygienists / Certified Industrial Hygienist (American Board of Industrial Hygiene) / Registered Occupational Hygienist (Canadian Registration Board of Occupational Hygienists) / Licensed Pesticide Applicator / Licensed Asbestos Project Supervisor / Managing Principal, Chief Executive and Majority Shareholder - Largest Canadian HSE Services Firm (>150 staff) www.crosssafety.ca / Offices: Canada - Ottawa, Toronto, Markham, Windsor. USA - Lexington, Clearwater / Canadian Citizen / E-2 USA Treaty Investor Visa (USA Work Authorization) / Secret Level II Security Clearance - Government of Canada / Engaged by US DoJ / Assignments throughou...

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Joe Samnik

Arborist Expert Witness & Consultant

Expert Tree Consultant, LLC

Palm Harbor, Florida

Arborist - Tree Risk, Tree Valuation, Tree Appraisal, Nursery Valuation Appraisals, Tree Preservation, Expert Witness, Pesticides, Eminent Domain Takings, Tree Farm Appraisals, Commercial Landscapes, Tree Failure

Joe Samnik, respected industry leader in the fields of arboriculture and horticulture, brings 59 years of experience to his role as an expert witness in arboriculture and landscape litigation. An ISA Certified Arborist with Tree Risk Assessment Qualification (TRAQ), Joe also has a license from the State of Florida Office of Entomology. He has provided expert testimony in over 1,000 cases, maintaining an equal balance between plaintiff and defendant representation. His unique contributions to the field include authoring Florida's statutory formula for appraising highway vegetation and creating the mathematical table of value for the Florida State citrus tree removal class action lawsuit. Joe has presented his research at five international arboricultural conferences and served as president of the Association of Eminent Domain Professionals, a distinguished organization of attorneys, CPAs, and appraisal experts. In addition to being the Founding President of the Florida Chapter of t...

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Aaron L Hilliard, PhD

Forensic Toxicologist Johns Hopkins Trained

Health Matters EMPT

Jacksonville, Florida

Pharmacology- Clinical, Toxicology - DUI, Medication Adverse Effects, Overdose, Personal Injury, Medical Malpractice, Toxic Exposure, Medication Errors, Adverse Drug Reactions, Lead, Mold, Pesticides, Wrongful Death, Retrograde Extrapolation, Alcohol, Drugs of Abuse, Environmental Exposure, Postmortem Toxicology, Forensic Toxicology, Litigation Support, Public Health

Dr. Aaron Hilliard obtained his Doctor of Philosophy degree in Pharmacology/Toxicology from Meharry Medical College. After completing his Ph.D., he continued his research in Pharmacology and Forensic Toxicology at the Johns Hopkins School of Public Health, Division of Toxicological Sciences. Dr. Hilliard has served at the Florida Department of Health and held faculty appointments at the University of Florida. He is currently a tenured Associate Professor at Florida A&M University in the College of Pharmacy. He has authored several peer-reviewed publications related to pharmacology, toxicology, and the environmental impact of chemicals. Dr. Hilliard also brings 25 years of experience providing deposition and trial testimony in Pharmacology and Forensic Toxicology for both Plaintiff and Defense in Federal, State, Criminal, and Civil cases. Dr. Hilliard is a highly qualified expert in toxicology and pharmacology, offering a deep scientific foundation and over 25 years of applied exper...

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Aaron L Hilliard, PhD

Forensic Toxicologist Johns Hopkins Trained

Health Matters EMPT

Georgia

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Patrick Filkins, PharmD, BCPS, DABAT

Clinical Toxicology & Pharmacology Expert Witness

Filkins Toxicology Consulting LLC

Atlanta, Georgia

Toxicology, Pharmacology- Clinical - Emergency Medicine, Pharmacokinetics, Alcohol Intoxication, Drugs of Abuse, Opioids, Fentanyl, Envenomation, Poisoning, Overdose, DUI, Kratom, Mushrooms, Hospital Pharmacy, Antidotes, Heavy Metals, Pesticides, Urine Drug Screen, Drug Testing, Blood Testing, Withdrawal

Patrick Filkins, PharmD, BCPS, DABAT obtained a BS in Biochemistry at SUNY Old Westbury and a Doctorate of Pharmacy at the University of Saint Joseph School of Pharmacy and Physician Assistant studies. Following pharmacy school he completed residency at Grady Memorial Health System in Atlanta, Georgia and subsequently a clinical toxicology fellowship at the Georgia Poison Center. He is currently board-certified in toxicology (DABAT) and pharmacotherapy (BCPS). He is a practicing clinical toxicologist at the Georgia Poison Center, emergency medicine clinical pharmacist at Grady Memorial Health System, and an adjunct instructor of emergency medicine at Emory University School of Medicine, Department of Emergency Medicine. He also serves on the board of directors for the American Board of Applied Toxicology (ABAT). He has multiple publications in the field of toxicology. His research interests include toxic alcohols, acetaminophen toxicity, snake envenomation, and the management of opi...

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Jerry A. Formisano, Jr., PhD, CIH

Exposure analysis by math modeling per the AIHA

GKO Environmental Health Services, LLC

Kailua, Hawaii

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Doug Rush, CIH, CSP, CHMM, SMS, OHST, REPA,MSc,

Certified Industrial Hygiene or Hygienist (CIH)

Scopus Consultants, Inc.

Cypress, Missouri

Industrial Hygiene, Safety - Warnings & Labels, IAQ, Products Liability, Covid, Indoor Air Quality, Toxicology, Asbestos, Environmental, Mold, Legionella, Pesticides, Dermal Assessment, Exposure, Occupational Hygiene, COPD, Forensic Science, Environmental Engineering, Job Hazard Assessment, OSHA, Safety

Summary of Experience I am a Certified Industrial Hygienist (CIH), Certified Safety Professional (CSP), Certified Hazardous Materials Manager (CHMM), Safety Management Specialist (SMS), EPA Nationally Qualified Asbestos Consultant, Licensed Asbestos Consultant, and Hazmat Expert. I help clients with a whole range of health, safety, and environmental challenges, and I have a specialty in industrial hygiene including forensic analysis and testimony associated with current and past exposures to chemical, biological, and safety related injuries and illnesses. My experience encompasses the leadership and management of teams of Health, Safety and Environmental (HSE) experts including industrial hygienists, safety professionals, environmental engineers, medical doctors, nurses, and technicians in workplace incidents and exposures to industrial chemicals and substances such as asbestos, benzene, welding fumes, lead, mold, pesticides, among others. My accomplishments include participation ...

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David M. Lehmann, PhD

Toxicologist - Drugs, Alcohol, & Chemicals

Intertox

Raleigh, North Carolina

Toxicology, Infectious Diseases - Alcohol & drug impairment, Liquor liability & dram shop, Immunology, Allergic reactions, Skin & eye irritation, Inhalation toxicology, Medical devices, Postmortem toxicology, Metals, Air pollutants, Pesticides, Lead poisoning, Carbon monoxide poisoning, Solvents, Volatile organic compounds (VOCs), Toxic torts, Infectious diseases

Dr. Lehmann is an accomplished toxicologist with nearly 20 years of cross-sector experience spanning academia, industry, and government. He brings deep expertise in human and ecological risk assessment, toxicological mechanisms, pharmacology, and drug-related signal transduction pathways. Dr. Lehmann applies his scientific expertise to complex questions involving alcohol, drugs, environmental exposures, consumer products, and medical devices. His work integrates experimental toxicology, exposure assessment, and weight-of-evidence evaluation to assess potential health effects and causation. Drawing on his extensive research background and teaching experience, he is skilled at translating complex toxicological concepts into clear, accessible explanations for attorneys, courts, and other non-scientific audiences. Experience & Expertise: -Alcohol and Drug Toxicology: Expertise in the toxicology and pharmacology of alcohol, opioids, stimulants, cannabinoids, benzodiazepines, and other...

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Carla J. Kinslow, Ph.D.

Toxicology and Food Safety Expert

Rimkus

Portland, Oregon

Toxicology - Alcohol Drug & DUI Testing, Chemicals, Food Safety, Hazardous Materials, Industrial Hygiene & Mold, Wrongful Death, Biology, Pesticides, Veterinary, Alcohol Abuse, Drug Abuse, Biotechnology, Aerosols, Agricultural, Addiction Medicine, Allergy & Immunology, Mass Torts, Personal Injury, Medical Toxicology, DNA

Dr. Carla Kinslow holds a doctorate in Biomedical Sciences, Cell Biology/Molecular Toxicology with over 35 years of biomedical, regulatory, and environmental experience. She has expertise in inhalation and oral toxicology; derivation of regulatory screening values for oral and inhalation exposure, toxicogenomics; toxicological risk assessment and communication of such risk to diverse stakeholders; human health impacts analysis from emission events; air, soil, and water monitoring data; modeling data related to ambient air and drinking water quality; water contamination from oil and gas operations; and stakeholder communication. She specializes in risk-based evaluation of air, soil, and groundwater toxicology under the USEPA, as well as state and federal guidelines. She has served as manager for various regulatory projects where she helped design and implement air monitoring networks, groundwater monitoring projects, and remediation scopes, with subsequent assessment and commun...