The University of Florida College of Medicine’s Addiction Division is among the largest in the United States. The faculty in this program are national and international experts who have conducted groundbreaking scientific research in the field. Others evaluate and treat physicians, athletes, students and other patients on a daily basis at our world-class treatment facilities.

Regina Bussing, M.D.

Professor and Donald R. Dizney Chair in Psychiatry

M.D., Justus Liebig University Giessen, Germany
M.S.H.S., University of California, Los Angeles Fielding School of Public Health
Residency: Psychiatry, University of Florida
Fellowship: Child and Adolescent Psychiatry, University of Florida
Research Training: Mental Health Services Research, University of California, Los Angeles
Double Boarded in Adult Psychiatry and Child & Adolescent Psychiatry

Dr. Bussing treats the entire spectrum of childhood and adolescent disorders, specializing in comprehensive approaches that combine pharmacotherapy, parent training, clinical group therapies and school interventions. Her honors include several grants from the National Institute of Mental Health, and the American Academy of Child and Adolescent Psychiatry’s Elaine Schlosser Lewis Award for published research on Attention Deficit Hyperactivity Disorder. She is the Director of the Florida Outreach Project for Children and Young Adults Who Are Deaf-Blind. Dr. Bussing has published 90 peer-reviewed journal articles and five book chapters.

Scott Teitelbaum, M.D.

Professor and Vice Chair, Department of Psychiatry; Pottash Professor in Psychiatry and Neuroscience; Professor, Department of Pediatrics; Chief, Division of Addiction Medicine; Medical Director, Florida Recovery Center

B.A., Lehigh University
M.D., Rochester University
Residency: University of Connecticut
Fellowships: Addiction Medicine & Child Psychiatry, University of Florida College of Medicine
Double-boarded in Addiction Medicine and Pediatrics and certified by the American Society of Addiction Medicine

Dr. Teitelbaum is the Medical Director of the UF Health Florida Recovery Center and a professor of psychiatry and pediatrics. He is also a certified Medical Review Officer (MRO). In recognition of his national leadership in addiction medicine, Dr. Teitelbaum was inducted into the Conway Hunter Society in 2010. He has served as a consultant to the White House Office of National Drug Control Policy (ONDCP), the Drug Enforcement Administration (DEA) and the Executive Office of the President. He also is a consultant on drug and alcohol abuse and dependence for the New York Yankees and other sports teams and industries. He is the author of Addiction: A Family Affair. The University of Florida Guide to Understanding, Prevention and Dealing with Addiction (2011, UF Department of Psychiatry); and co-author, with Michael Nias, of Weed: Family Guide to Marijuana Myths and Facts (2013, UF Department of Psychiatry).

Martha Brown, M.D.

Associate Professor

B.S., Clemson University
M.D., Medical University of South Carolina
Internship: Medical University of South Carolina
Residency/Chief Resident: Psychiatry, Medical University of South Carolina
Fellowship: Alcohol and Drug Abuse, Medical University of South Carolina
Double-boarded in Psychiatry and Addiction Medicine

Dr. Brown is an expert in evaluating and treating impaired health professionals and professional athletes and others. She is the Associate Medical Director of Florida’s Professionals Resource Network (PRN). Her record of excellence in the field includes her service as a drug addiction expert to state and federal agencies, as the psychiatrist for the New Orleans Saints, and as director of the state of Louisiana’s evaluation and recovery program for impaired health professionals. She has developed effective prevention and treatment programs for physicians, athletes and many others from around the United States.

Lisa Merlo Greene, Ph.D., M.P.E.

Associate Professor

B.A., Transylvania University
M.A., Wayne State University
M.P.E., Washington University in St. Louis
Ph.D., Clinical Psychology, Wayne State University
Internship: Clinical Child/Pediatric Psychology, University of Florida
Postdoctoral Fellowship: Clinical Child/Pediatric Psychology, University of Florida
Postdoctoral Fellowship: Drug Abuse Epidemiology, Services and Prevention, Washington University in St. Louis

Dr. Merlo Greene is a licensed clinical psychologist, and the Assistant Residency Program Director for Psychotherapy. She is the Director of Research for the Professionals Resource Network, Inc. (PRN), the state monitoring program for distressed and impaired healthcare professionals. As a member of the Motivational Interviewing Network of Trainers (MINT), Dr. Merlo Greene collaborates with faculty from other colleges and universities, as well as the Area Health Education Centers (AHEC) across Florida, to provide training in motivational interviewing for students, faculty, tobacco cessation counselors, school personnel and other health care providers.

William Greene, M.D.

Assistant Professor

B.S., Wake Forest University
M.D., University of South Florida College of Medicine
Residency: Psychiatry, University of Florida
Fellowship: Addiction Medicine, University of Florida
Double-boarded in Addiction Medicine and Psychiatry and certified by the American Society of Addiction Medicine

Dr. Greene is the Chief of Addiction Psychiatry. He is also the Medical Director and an attending physician in the drug and alcohol detoxification unit at UF Health Shands Psychiatric Hospital.

Joseph McNamara, Ph.D.

Assistant Professor

B.S., University of Florida
M.S., University of Florida
Ph.D., Counseling & Developmental Psychology, University of Florida
Internship: Clinical & Health Psychology, University of Florida
Postdoctoral Fellowship: Medical Psychology, University of Florida College of Medicine

Dr. McNamara is Co-Director of the Online Education Program, and Interim Chief and Research Director of the Division of Medical Psychology. He has experience in a variety of practice settings, including counseling centers, psychiatric outpatient facilities and hospitals. He treats both children and adults and is trained in Cognitive Behavioral Therapy (CBT) and Exposure-Response Therapy (ERT).

Michael Nias, J.D., M.S.W., L.C.S.W.

Assistant Professor

B.A., Fordham University
M.S.W., Smith College for Social Work
J.D., Yeshiva University Benjamin N. Cardozo School of Law

Michael Nias is the Director of Clinical Operations and Program Director for Child and Adolescent Addiction at UF Health Florida Recovery Center. He is also a faculty affiliate of the UF Levin College of Law’s Center on Children and Families. He is a licensed psychotherapist, specializing in individual, group and family psychotherapy, with more than 20 years of experience in addiction. He is co-author, with Dr. Scott Teitelbaum, of Weed: Family Guide to Marijuana Myths and Facts (2013, UF Department of Psychiatry).

Sarah Jo Nixon, Ph.D.


B.S., Southwestern Oklahoma State University
Ph.D., University of Oklahoma
Postdoctoral fellowship: Biological Psychology, Neuropsychology and Substance Abuse, National Institutes of Health (NIH)

Dr. Nixon is the Chief of Addiction Research. An internationally known expert in neurobehavioral sciences, she has worked extensively in the field of substance use and dependence. Because of the complex nature of substance use, Dr. Nixon’s work uses comprehensive behavioral assessments including neuropsychological testing, brain electrophysiology (electroencephalography and event-related potentials), and clinical research interviews. In addition to neurobehavioral research, Dr. Nixon has sustained a strong interest in community outreach and education. Her continued commitment to community outreach is reflected in her ongoing work focusing on the cognitive, psychological and social concomitants of substance use.

Czerne Reid, Ph.D.


B.A., University of the West Indies, Mona, Jamaica
M.Sc., Chemistry, Emory University
Ph.D., Environmental Chemistry, Emory University
Graduate Certificate, Science Communication, University of California, Santa Cruz

Dr. Reid is the Program Director for Online Graduate and Certificate Programs in the UF College of Medicine Department of Psychiatry. She is the recipient of a 2015 Exemplary Teacher Award from the UF College of Medicine. She is also an adjunct lecturer in the UF College of Journalism and Communications, and co-chair of the Education Committee of the National Association of Science Writers (NASW).

Barry Setlow, Ph.D.


B.A., Yale University
Ph.D., Biological Sciences, University of California, Irvine
Postdoctoral Fellowship: Psychological and Brain Sciences, The Johns Hopkins University

Dr. Setlow conducts basic science research on the interactions between drugs of abuse and decision-making, with the ultimate goal of identifying targets for new therapies. His group investigates the long-term effects of chronic drug exposure on cognitive outcomes, with a particular focus on different types of decision-making processes (for example, risky and impulsive decision-making) and the neural mechanisms underlying drug-induced alterations in such processes. He also studies how individual differences in risky and impulsive decision-making predict propensity for future drug use.

Jamie Smolen, M.D.

Associate Professor

B.A., St. Anselm College
M.D., Georgetown University
Internship: Surgery, University of Vermont
Residency: Psychiatry, Boston University
Fellowship: Addiction Psychiatry, University of South Florida
Double-boarded in Addiction Psychiatry and Psychiatry

Dr. Smolen specializes in the evaluation and treatment of health care professionals and college and professional athletes with substance use disorders and comorbid psychiatric conditions. His expertise extends from inpatient to partial hospitalization and residential care, to outpatient care. He is an evaluator for impaired health professional monitoring programs and for the Florida Department of Health. His practice includes medication-assisted treatment for opiod addiction, cognitive and other psychosocial therapies, and the incorporation of mindfulness and meditation.

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To learn more about the University of Florida’s online Graduate Certificate in Addiction and Recovery, fill out the form below. You can also call (352) 294-5565 to speak to our Academic Assistant about the certificate program.