Forensic Psychiatry

Leonard J. Weiss, M.D.

Curriculum Vitae

This is an overview of Dr. Weiss’ qualifications as a Board-Certified Forensic Psychiatrist with over 20 years of experience. You can download his CV below.

Dr. Weiss is Board-Certified in Forensic Psychiatry, Psychiatry, Addiction Psychiatry, and Internal Medicine based in Austin, Texas. His medical career spans more than 35 years including 20 years as a Psychiatrist. He has conducted more than 10,000 psychiatric assessments and treated a broad range of medical conditions including those that overlap with psychiatric disorders. As a Forensic Psychiatrist, he conducts psychiatric IMEs, review of complex medical records, issues reports and is available to testify. 

Dr. Weiss is uniquely qualified to address the complicated relationship between mental illness, physical illness, allegations of medical damages, and crossover treatment of multiple mental and physical conditions.

This page is updated from time to time, as is Dr. Weiss’ downloadable CV. We encourage you to revisit his CV if you have one that may be outdated.


Texas Medical License #P1833
Michigan Medical License #4301043591

Medical Board-Certifications, Specialty Certification

  • Forensic Psychiatry, American Board of Psychiatry and Neurology (1999-Current)
  • Addiction Psychiatry, American Board of Psychiatry and Neurology (1994-Current)
  • Psychiatry, American Board of Psychiatry and Neurology (1993-Current)
  • Brain Injury Medicine, American Board of Psychiatry and Neurology (2022-Current)
  • Internal Medicine, American Board of Internal Medicine (1982-Current)
  • Nutrition, American Board of Nutrition (1985)
  • H.I.M.S. AME, Pilot Assessment, Aviation Medical Examiner, Federal Aviation Administration (2023-Current)

Due Diligence Tool: Verify Board Certifications at the American Board of Psychiatry and Neurology.


  • Massachusetts Institute of Technology, Cambridge, Massachusetts, B.S. Mathematics, Minor in Nutrition and Food Science. Cambridge, MA. 1975
  • Wayne State University School of Medicine, Doctor of Medicine.  Detroit, MI. 1979
  • Henry Ford Hospital of the University of Michigan Medical School, Internal Medicine Resident. Detroit, MI. 1980-1982
  • Memorial Sloan-Kettering Cancer Center of New York Hospital, Cornell University Medical School, Fellow of Clinical Nutrition. New York, NY. 1982-1984
  • Michael Reese Hospital of the University of Chicago Medical School, Psychiatry Resident. Chicago, IL. 1987-1990

FACULTY APPOINTMENTS (Partial List, Current and Past)

  • Texas A&M Health Sciences University. TX
  • Michael Reese Hospital of the University of Chicago, Addictionology. Chicago, IL.
  • Rush Medical College. Chicago, IL.
  • Chicago Osteopathic Medical College. Chicago, IL.


  • Infinite Recovery Rehabilitation Center, Medical Director. Austin, TX. 2016-2017
  • Austin Lakes Hospital, Director, Psychiatric Outpatient Services. Austin, TX. 2013-2014
  • Kaiser Permanente Southeast US Region, Acting Medical Director, Alcohol and Drug Program/Eating Disorders Intensive Outpatient Atlanta, GA. 2003-2004
  • Michael Reese Hospital of the University of Chicago, Chief of Outpatient Alcohol and Substance Abuse Dual Diagnosis Group, Psychotherapy. Chicago, IL. 1990-1993
  • St. Bernard Hospital, Chief Psychiatric Consultant of Partial Hospital Psychiatric Program. Chicago, IL.1998-1999
  • St. Bernard Hospital Dual Diagnosis Group Psychotherapy Program, Chief and Group Leader. Chicago, IL.   1997-1999
  • Chicago Osteopathic Hospital Dual Diagnosis Group Psychotherapy Program, Chief and Group Leader. Chicago, 1989-1997; Interim Psychiatric Inpatient Doctor. 1995-1997.


  • Psychiatry Austin, Private Patient Care-Clinical Austin, TX. 2013-present
  • Private Practice, Psychiatric Treatment. Atlanta, GA. 2002-2013
  • Private Practice, Psychiatric Treatment. Chicago, IL. 1990-1999
  • Internal Medicine Private Practice. Detroit, MI. 1986-1987
  • Internal Medicine Practice, Health Alliance Plan HMO. Detroit, MI. 1984-1986


  • Psychiatric evaluator in medical-legal matters, reporting findings by written and verbal report, and testimony. Psychiatry Austin. (2016-Present
  • Expert Witness, Travis County Prison System for Mentally Ill Offenders. 2016-present
  • Pilot Assessments, Federal Aviation Administration, including as a H.I.M.S. AME 2022-Present
  • Expert Witness, Travis County Prison System for Mentally Ill Offenders. 2016-present
  • Professional Recovery Network Evals for TX Pharmacy/Dental/Vet. Boards 2016-present
  • Medical Equations Worker’s Compensation Evaluations & Expert Witness Testimony. Austin, 2016-present
  • Child Protective Services (CPS) in Texas Evaluator & Expert Witness, Austin, 2016-present
  • Illinois Department of Professional Regulation and Medical Disciplinary Board, Psychiatric and Internal Medicine Clinical Consultant. Chicago, 1993-1999
  • Drug Enforcement Administration, Psychiatric and Internal Medicine Chart Reviewer. Washington, DC. 1993-1999


  • Stress, Isolation and Other Topics Which We Face in this Time of COVID, Texas Criminal Defense Lawyers Association, Mindful Monday” Series, attendees >100. Continuing Legal Education. 2020
  • Traumatic Brain Injury, State Bar of Texas Advanced Workers’ Compensation Law Course, co-sponsored by the Workers’ Compensation Law Section of the State Bar of Texas. Continuing Legal Education.  2020
  • Competency to Stand Trial: A Psychiatrist’s Viewpoint, Travis County Mental Health Court. Continuing Legal Education. 2019
  • Forensic Interviewing, Travis County Mental Health Court. Continuing Legal Education. 2017
  • Forensic Interviewing, Capacity for Justice, providing interdisciplinary education for judges, attorneys, psychiatrists and psychologists, Continuing Legal Education. 2016
  • DSM – 5 Revisions to the Autism Spectrum Diagnosis, Webb County Texas Head Start. 2013
  • Essential Principles in Treating the Dually Disordered, WellStar Behavioral Health Services CEU Accredited. Atlanta, GA. 2005
  • Addiction Diagnosis and Treatment, Georgia State University Occupational Medicine Graduate Program. 2005
  • Medical Aspects of Psychiatric Assessments, Ridgeview Hospital/Institute Nursing Staff and Atlanta Medical Center and Hospital Psychiatric Evaluation Team. 2005
  • Fibromyalgia: a Body/Mind Disease, Presented to: Atlanta Medical Center Internal Medicine Residents and Ridgeview Institute Quarterly Physician’s Staff Meeting (CME Accredited) 2004, and Kaiser Permanente CME Conference and Crescent Centre and Cumberland Regional Clinics. 2002
  • Stress and the Body/Mind Relationship, Presented to: Chicago Osteopathic and Olympia Fields Family Medicine Department: Sponsored by SmithKline Beecham, Inc. and Rush North Shore Medical Center Psychiatric Grand Rounds and Glencoe Illinois Public Library. 1996; also presented to Michael Reese Hospital Psychiatric Grand Rounds and Chicago Osteopathic Hospital Psychiatric Grand Rounds and Hospital Psychiatric Grand Rounds. 1995


  • My Strange Addiction (Scotch Tape Eating Episode “Cured!”), The Learning Channel (TLC) airing February 12th, 2012
  • Fox 7 News ( Interview on “Kratom Controversy” Airing September 30, 2016


  • “Dealing with Stress, Isolation & Illness in the Age of COVID from a Psychiatric Perspective,” Voice for the Defense. Vol. 50, No. 1. Voice for the Defense In print and Online. 26 Jan. 2021, for-the-defense-vol-50-no-1/.
  • “Traumatic Brain Injury: Medical-Legal Aspects,” Chapter 11.3; State Bar of Texas 17th Annual Advanced Workers’ Compensation Law, Aug. 2020
  • “Stress and Its Taxing Effects on the Body,” Illinois State Medical Society Journal: “Your Health Matters,”  (sole author.) Apr 1999
  • “Addictions Update,” Medical Update, Rush North Shore Physicians Journal, (sole author.) Spring 1996
  • “Psychosocial Treatment of the Geropsychiatric Patient,” International Journal of Geriatric Psychiatry,8:95-100, (first author.) 1993
  • “Toward Healing the Doctor-Patient Relationship.” Publication of Mental Health Services, St. Francis Hospital of Evanston, 1:1 (Fall, 1990) Number 1, Fall, 1990. ( Sole author)
  • “The Doctor Guinea Pigs.“ (Book Review) Medical Tribune: July 18, 1984 ( Sole author)
  • “Doctors and Patients, Life and Death at a Bone Marrow Transplant Unit.” Book Review, Medical Tribune, June 1984


  • A Double-Blinded Comparison of Prozac with Zoloft in Depressed Geriatric Outpatients (sponsored by Pfizer, Inc.) Rush-Presbyterian-St. Luke’s Medical Center, 1991-1993
  • A Comparison of the New Agent Paxil with Prozac, North Shore Office, (Sponsored by SmithKline Beecham, ), 1992-1993
  • Hypothalamic Glucose Receptor Response, Wayne State University Medical School Department of Pharmacology, 1978-1979
  • The Effect of Protein Deficiency on Basement Membrane, Massachusetts Institute of Technology, Department of Food Science and Nutrition