Environmental Exposure Expert Witnesses

Phoenix, Arizona

Radiation Oncology, Oncology - Radiation injury, quality assurance, radiation safety, delayed diagnosis, breast cancer, radiation induced cancer, product liability, brain tumor, epidemiology, mesothelioma, prostate cancer, general causation, specific causation, hospital safety, secondary cancer, latency, head neck cancer, radiation exposure, environmental exposure

I am a Board-Certified Radiation Oncologist with more than 25 years of clinical experience and longstanding involvement as an expert witness in medical and scientific litigation. I remain actively practicing clinically and have held senior national leadership roles focused on radiation oncology quality assurance, patient safety, and peer review. My expert opinions are grounded in contemporary clinical practice, formal training in radiation biology, and extensive experience evaluating radiation-related injury and cancer risk. I previously served as Chair of a national Radiation Oncology Quality Assurance Committee for the American Society for Radiation Oncology (ASTRO) and held multiple senior quality leadership roles at the David Geffen School of Medicine at UCLA, including Chief Quality Officer for the Department of Radiation Oncology. I am currently an APEX accreditation site surveyor, conducting national peer-review evaluations of radiation oncology practices with emphasis on st...

SAINT PETERSBURG, Florida

Toxicology, Laboratories & Testing - drug testing, opiate, hearing, exposure, dermal, false positives, fentanyl, methamphetamine, inhalation, touch exposure, toxicology, Delta 8, cocaine, environmental exposure, low level, residual, Marijuana, passive, metabolism, elimination

I am a PhD-level forensic and clinical toxicologist with over a decade of experience advising organizations, attorneys, and courts on complex toxicological, pharmacological, and regulatory matters. I served as the toxicologist for the federal courts drug testing contract for 3 years. In that role I testified at federal revocation hearings over 20 times concerning drug testing and wrote hundreds of formal letters of data interpretation for the courts. I also corresponded with attorneys and probation when the drug testing outcome may have been due to exposure or medication or diet. I have a National Registry of Certified Chemists board certification as a Toxicological Chemist, a MS and a PhD, and many years of experience directly operating laboratories.

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...

Georgia

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...