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Program Leadership

Carla Marienfeld, MD, DFAPA, FASAM

Program Director

Carla Marienfeld, MD, DFAPA, FASAM is board-certified in psychiatry, addiction psychiatry, and addiction medicine, and she is a Clinical Professor at the University of California San Diego who supports recovery in an evidence based, harm-reduction approach through therapy, motivational interviewing, and medication treatment. Her research involves analysis of electronic medical record data for individuals with substance use disorders.  She has authored or co-authored over 35 peer reviewed articles, book chapters, practice guidelines, and invited commentaries, and she edited two books:  Motivational Interviewing for Clinical Practice and Absolute Addiction Psychiatry Review:  An essential board exam study guide. She has been highly involved in education of colleagues and trainees about addiction psychiatry and effective interventions including buprenorphine treatment and motivational interviewing, and she is the fellowship director for the UCSD Addiction Psychiatry Fellowship. Dr. Marienfeld completed a fellowship in addiction psychiatry and residency training in psychiatry at Yale. During her residency, she was chief resident of psychiatry and founded (and later led) the Yale Global Mental Health Program. She earned a medical degree with honors from Baylor College of Medicine in Houston.  She is active in many professional organizations, including the American Society of Addiction Medicine, the American Association of Addiction Psychiatry, and the American Psychiatric Association.



(Jon) David Stiffler, MD
Associate Program Director
Assistant Clinical Professor, Psychiatry





Nick Mellos, MD

VA Site Director

​Robert Anthenelli, M.D.
Dr. Anthenelli is a Professor and the former Interim Chair, Executive Vice Chair, and Vice Chair for Veterans Affairs, respectively, in the UC San Diego Department of Psychiatry where he directs the Pacific Treatment and Research Center (Pac-TARC).


​Arthur Brody, M.D.
Dr. Arthur Brody is a graduate of Vassar College, Tufts University School of Medicine, and the UCLA psychiatry residency (along with a research fellowship at UCLA).  He is board certified in Addiction and General Psychiatry, and his clinical patient care and research focuses on tobacco/nicotine dependence.  In clinical contexts, he treats >100 patients per year with tobacco/nicotine use disorder and is medical director for smoking cessation programs at the VA San Diego Healthcare Systems, in which medication management and group/individual psychotherapies are used.  As for research, his focus is brain imaging and treatment of tobacco use disorder, and he has studied the effects of addiction on positron emission tomography (PET) scanning outcomes, including studies of glucose metabolism, dopamine receptor availability, nicotinic acetylcholine receptor availability, and neuroinflammation.  In these contexts, he has published approximately 100 papers and been an investigator on >30 funded grants.  Dr. Brody is also an Associate Editor for the journal Neuropsychopharmacology and a Senior Editor for the journal Addiction.


​Mark Chenven, M.D.


Christopher Foscue, M.D.


​Eve Lasswell, Psy.D.

Eve Lasswell, is a licensed clinical psychologist who primarily treats adults with substance use disorders and co-morbid conditions. She also works with patients struggling to manage posttraumatic stress disorder (PTSD), depression, anxiety, role transitions, and interpersonal difficulties. She is part of our Addiction Recovery and Treatment (ART) program, which uses a harm-reduction approach to provide care for all stages of recovery from substance use disorders. She is also familiar with abstinence-based models and seeks to tailor treatment to the unique needs of her individual patients. Dr. Lasswell has experience with a number of patient populations, including those with ethnic backgrounds different from her own, LGBTQIA+ folks, and current/former members of the US military.


Howard Moss, M.D.


Gabriel Rodarte, M.D.

​Joe Sepulveda, M.D.


​Maryam Soltani, M.D., Ph.D
Dr. Soltani is the Director of the Substance Abuse Recovery Treatment Program at the San Diego Veterans Medical Center in La Jolla California.  She completed her residency training at the California University San Diego in the Combined Family Medicine and Psychiatry program.