DUI / DWI Related Expert Witnesses: 8

Dr. William R. Sawyer  is a Professional Toxicologist with a doctorate in toxicology from Indiana University School of Medicine. He has over 33 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

• 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.

Ted 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

Sanjay Adhia, MD, MRO, is triple-Board-Certified in Psychiatry, Brain Injury Medicine, and Forensic Psychiatry. In addition to forensic/expert witness practice, Dr. Adhia has provided patient care in the Houston area. Currently, he treats patients at TIRR Memorial Hermann. His forensic practice focuses on the psychiatric impact of personal injury, medical malpractice, drug and alcohol abuse, sexual abuse, competency, violence, and complicating mental illness, as well as psychiatric disability. Dr. Adhia is among one of the few Forensic Psychiatrists who is also co-Board-Certified in Brain Injury Medicine. Often, Traumatic Brain Injury (TBI) can be a major factor in litigation as it can result in psychiatric or neurocognitive impairments. He has expertise in psychopharmacology, the medicine of medication. 

In addition, Dr. Adhia works with Physicians for Human Rights to assess victims of kidnapping and false imprisonment, human trafficking, undue influence, physical and sexual abuse, rape, and fear of imminent death. In all populations, he assesses PTSD, Anxiety, Depressive Disorders, risk of suicide, and malingering. He is experienced in the treatment and impact of drug and alcohol abuse on decision-making. Dr. Adhia has also treated severe psychosis (Schizophrenia, hallucinations) and psychopathology. He was formerly treating patients at a Maximum Security Prison and prison psychiatric hospital. He has treated Opioid Use Disorders. 

Dr. Adhia’s findings consider complicating factors, such as emotional distress worsened by other active physical and mental conditions. Other factors are pre-existing mental and physical illness, competency, and capacity (e.g. dementia, Intellectual Disability.) As a physician, Dr. Adhia is uniquely qualified to review medical records and doctor reports. Institutional medicine, medical malpractice, and standard of care apply to both public and private facilities, including government, regulated correctional institutions, and psychiatric hospitals. Dr. Adhia is skilled in these med-legal issues. He conducts Independent Medical Examinations, review of records, and reports his med-legal findings and opinions. He is available to testify in civil, criminal, probate, Federal, Immigration, military, and administrative jurisdictions.

Violence Sexual abuse Malpractice and Standard of Care Alcohol and Drug Abuse Dementia and IDD Psychopharmacology Competency

PTSD Suicide Psychiatric Injury Will Contest Correctional Fitness for Duty Brain Injury

Leonard J. Weiss, MD, is a Forensic Psychiatrist with unparalleled qualifications, Board-Certified physician in 5 distinct and complementary disciplines applied to Medical-Legal questions:

Psychiatry Forensic Psychiatry  Addiction Psychiatry

Internal Medicine Nutrition Medicine

Dr. Weiss has more than 40 years of experience as a physician. He has been in practice for more than 20 years as a Board-Certified Psychiatrist, Forensic Psychiatrist and Addiction Psychiatry specialist, preceded by more than 2 decades in Internal Medicine.

As an Addiction Psychiatry specialist, Dr. Weiss developed and served as Chief of the first Dual Diagnosis (Addiction) program at Michael Reese Hospital of the University of Chicago. He has served as Medical Director of Austin Lakes Hospital.

Before pursuing his interest in psychiatry, Dr. Weiss practiced Internal Medicine in Michigan where he maintains a Medical License. He has treated patients in psychiatric practice in Chicago and Atlanta. In 2013 he relocated to Austin, Texas where he has a private clinical psychiatric practice, Psychiatry Austin.

Dr. Weiss graduated from Wayne State University Medical School and MIT (Mathematics), with residency training in Internal Medicine, Fellowship in Clinical Nutrition, and Psychiatry at, respectively, the University of Michigan Henry Ford Hospital, Memorial Sloan-Kettering Cancer Center in New York (Fellow) and Michael Reese Hospital in Chicago.

Litigation Support: Dr. Weiss has special training and experience in the application of psychiatric knowledge to legal issues, and works in areas where Mental Health and the Legal System overlap, such as Medical Malpractice and Standard of Care. He offers objective evaluations and psychiatric consultation in a wide variety of legal matters, including expert testimony, as well as clinical work with perpetrators and victims.

Dr. Weiss provides IMEs and expert opinions on mental health questions via written report, deposition, or courtroom testimony. He works with attorneys, courts, and other parties involved in actual or potential litigation. His research and assessment and his clinical practice cover areas such as:

Areas of Expertise:

Psychiatric Treatment Standard of Care Addiction Treatment Standard of Care Private Practitioner Standard of Care Detox Facility Standard of Care Internal Medicine and Psychiatry Overlap Medication and Drug Interactions Pain Management Malpractice DUI / DWI Physician Competency Employer Fitness for Duty Assessment

Mental Disability Competency to Stand Trial Competency to Waive Rights / Legal Representation General Competency (Wills, Medical Consent, etc.) Criminal Responsibility Confidentiality Involuntary Treatment Correctional Psychiatry Juvenile Justice Violence and Abuse

Harry C. McCann, MPA, is recognized as an expert in Policy, Procedure, and Training by the Federal Courts in the Eastern District of Pennsylvania, the Northern District of Georgia, the Court of Common Pleas in Pennsylvania and has provided consultation, expert testimony or reports to law firms, police departments, correctional institutions, and municipalities throughout Pennsylvania, New Jersey, Maine, Maryland, Georgia, Indiana, Kentucky, Arizona, New Mexico and Delaware in the areas of the use of force, in custody death claims, special response teams, arrest procedures, Tasers, training, PREA, classification and legal issues.

Background Experience - Throughout his law enforcement career, Mr. McCann has been responsible for the writing and implementation of policy and procedure relating to the Use of Force, Emergency Procedures, Prison Rape Elimination Act, Special Response Team protocols, Staff Training, Patrol Procedures, and Legal Issues. As the prior Director of Law Enforcement / Police Training in Bucks County (PA), the fourth largest county in Pennsylvania, he has been responsible for developing, coordinating, and implementation training programs to approximately 800 police officers representing 42 police departments.

Litigation Support - With 37 years of law enforcement expertise in the federal, state and county level, Harry McCann offers a unique perspective of knowledge and expertise in all facets of training, policy, procedure, and case review. Mr. McCann has continually demonstrated his ability to evaluate the issues and present himself in a clear, concise, thorough, and professional manner. His preparation has been acknowledged among his peers and has been honed by 35 years of college teaching and staff development instruction. He offers guidance and expert reports in matters dealing with:

• Correctional / Police Practices and Procedures
• Police, Correctional, Court Document Interpretation
• Use of Force
• Training Issues and Standards
• DUI Checkpoint Operations
• Wrongful Imprisonment and False Arrest
• Emergency Procedures
• PREA
• Correctional classification
• Police/Correctional Standards

A Special Education expert for five decades, Dr. Steven C. Imber served as a professor of special education from 1973 2021. He serves as a special education advocate, consultant to attorneys, parents and schools. He has conducted more than 600 independent educational evaluations.

Education:

• B.S. Psychology (High Honors) State University of New York at Buffalo
• Doctoral Studies, Clinical Psychology, University of Connecticut
• M.A. from the Department of Educational Psychology (Special Education - Learning Disabilities), University of Connecticut (Kappa Delta Phi)
• Ph.D. from the Department of Educational Psychology (Special Education -Emotional Disturbance (High Honors)

As a special education expert, Dr. Imber has worked on cases with children, adolescents and adults with a broad array of disabilities. He provides professional advocacy and consultation for children with the following disabilities:

• Autism Disorders
• Attention Deficit Disorders
• Emotional and Behavioral Disorders
• Emotional and Behavioral Disorders Intellectual Disabilities (Cognitive Deficits)
• Learning Disabilities
• Other Disabilities and Disorders

Areas of Expertise:

• Criminal Defense of Individuals with Disabilities – competence to stand trial and comprehension of Miranda Warning Rights
• Family Custody Matters involving Disputes regarding matters of Education and Special Education
• School Safety
• Special Education Regulations and Law
• Wrongful Death

Dr. Imber has been involved in cases from the following states: Alaska, Arizona, Connecticut, Delaware, Florida, Hawaii, Illinois, Massachusetts, Michigan, New Jersey, New York, Pennsylvania, Rhode Island, Tennessee, Utah, Vermont, Washington and West Virginia. 

Depositions and Direct Testimony
Dr. Imber has testified in federal court, various district courts, superior court, family and probate court and in numerous due process hearings since 1975.

Below are listed recent cases in which Dr. Imber provided testimony during depositions or directly in various court matters:

• October 21, 2021, Family Court: State of Hawaii, Plaintiff
• October 19, 2021, Hancock County Circuit Court, West Virginia Criminal Action, Defendant
• September 29, 2021, Chicago Public  Schools Cook County, Defendant
• July 6, 2021, Worcester County Probate and Family Court, Plaintiff
• August 10, 2021, Springfield District Court, Defendant
• May – June 2019, Commonwealth of Massachusetts, Division of Administrative Law Appeals, Bureau of Special Education Appeals BSEA, Plaintiff

Additional Accomplishments

• Published several articles in national and international journals within the fields of special education and psychology
• Presented at several local, state, regional, national and international conferences and meetings

Rhode Island Office Sprout Building 166 Valley Street Providence, RI 02909 Telephone: 401-421-4004

New York Office 61-43 186th Street Fresh Meadows, NY 11365 Telephone: 516-273-1961

Dr. Imber's CV is available upon request.

Andrew D. Ewens, PhD, DABT is a Board-Certified Forensic Toxicology Expert. Dr. Ewens has 26 years of Biomedical experience having worked as a toxicologist government contractor for the CDC, EPA, NIH (National Cancer Institute, National Library of Medicine, National Institute of Environmental Health Sciences/National Toxicology Program). 

Dr. Ewens has 10 years of academic research experience and has been conducting Forensic Toxicology research since 2017. Research projects include false positive test from CBD oil, mouth alcohol, reliability of the Intoximeter EC/IR II evidentiary breathalyzer, developing objective measures of impairment to improve the SFST/DRE evaluations, and development of raman spectroscopy breath alcohol analyzer.

Litigation Support - Dr. Ewens has been an expert witness since 2015, Interpreting Drug Use, Impairment, and Drug-induced Death. He is qualified to testify in North Carolina, Texas, Maryland, and Michigan.

Cases include: 

Murder Assault Cause of Death DUI DUID  Dram Shop Retrograde Extrapolation

Antegrade Extrapolation Probation / Parole Violation Post Conviction Hearing Personal Injury Employment Drug Testing Child Custody Medical Malpractice

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