Department of Psychiatry
Penn Behavioral Health

Mood and Anxiety Disorders Treatment & Research Program

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Karl Rickels, MD

Professor of Psychiatry
Stuart and Emily B.H. Mudd Professor of Human Behavior and Reproduction

Karl Rickels, MDDr. Karl Rickels is the founder of the Mood and Anxiety Disorders Section at the University of Pennsylvania. He is a professor in the department of psychiatry and the Stuart and Emily B.H. Mudd Professor of Human Behavior and Reproduction. In 2008, he was also awarded the William Osler Patient Oriented Research Award, which recognizes outstanding achievement for research in which the investigator directly interacts with human subjects. Dr. Rickels is known throughout the world as the leading expert in the treatment of anxiety disorders. In his 575 publications and 9 books over more than 40 years, Dr. Rickels has made so many contributions to this treatment that he is recognized as the Dean of Psychopharmacology of anxiety disorders. As a testament to his extraordinary intellect, in his 80s, he remains an active researcher. As founder of the Penn program in the department of obstetrics and gynecology which treats and recognizes the special needs of women with mental health issues, his contributions continue to affect the lives of his many grateful patients.

Michael E. Thase, MD

Professor of Psychiatry

Michael E. Thase, MDDr. Michael Thase joined the faculty of the Perelman School of Medicine at the University of Pennsylvania in January, 2007 as Professor of Psychiatry after more than 27 years at the University of Pittsburgh Medical Center and the Western Psychiatric Institute and Clinic. Dr. Thase's research focuses on the assessment and treatment of mood disorders, including studies of the differential therapeutics of both depression and bipolar affective disorder. A 1979 graduate of the Ohio State University College of Medicine, Dr. Thase is a Distinguished Fellow of the American Psychiatric Association, a Founding Fellow of the Academy of Cognitive Therapy, a member of the Board of Directors of the American Society of Clinical Psychopharmacology, and Vice Chairman of the Scientific Advisory Board of the National Depression and Bipolar Support Alliance. Dr. Thase has been elected to the membership of the American College of Psychiatrists and the American College of Neuropsychopharmacology. Dr. Thase has authored or co-authored more than 500 scientific articles and book chapters, as well as 15 books.


Marna Barrett, PhD
Research Project Manager
Clinical Associate Professor

Marna Barret, PhDMarna S. Barrett, PhD is an Assistant Professor in the Department of Psychiatry at the Perelman School of Medicine at the University of Pennsylvania. Her main research interests are in the area of therapist characteristics, attrition, and psychotherapy outcome. Her current studies include investigations of factors predictive of early engagement and attrition in community mental health settings, cultural influences on mental health service use, and the use of a modified motivational interviewing to increase commitment to treatment. In addition to her research efforts, Dr. Barrett supervises PGY4 psychiatry residents in psychotherapy, teaches the residency ethics curriculum, and maintains a clinical practice where she specializes in the treatment of depression and Bipolar disorder.


James Findley, PhD

James FindleyDr. Findley received his Ph.D. in Clinical Psychology, with a specialization in Behavioral Medicine, from West Virginia University. He completed his graduate training as a Resident at the University of Mississippi Medical Center and Jackson V.A. Consortium. Dr. Findley has been a Diplomate of the American Board of Sleep Medicine since 2005.  He was the Coordinator and Clinical Coordinator of the Comprehensive Pain Management Center of the V.A. Connecticut Healthcare System, West Haven Campus, and a Clinical Research Associate in the Department of Psychiatry, Yale Medical School. Most recently, Dr. Findley was a Psychologist/Sleep Medicine Specialist at Gaylord Sleep Medicine in North Haven, CT, and in private practice in Hamden, CT, while serving as a consultant for insomnia research at the Yale School of Nursing.

As part of the Behavioral Sleep Medicine Program, he provides Cognitive Behavior Therapy for Insomnia (CBT-I) to patients at the Penn Center for Sleep as well as participants in clinical insomnia research. In addition to providing insomnia treatment, his current interests include methods for improving the assessment and treatment of insomnia.


Philip Gehrman, PhD

Dr. Gehrman completed his undergraduate training at the University of Pennsylvania and completed his PhD in clinical psychology at San Diego State University and the University of California, San Diego. His clinical internship was at the Durham VA Medical Center in North Carolina. After completing a post doctoral fellowship in sleep medicine at Penn he was on the faculty of the University of the Sciences in Philadelphia. He came back to Penn as part of a new program in Behavioral Sleep Medicine (BSM) in August of 2008. Dr. Gehrman's research is focused on understanding the underlying mechanisms of insomnia, with particular emphasis on the stress response system. He is also involved in studies examining both cognitive behavioral and pharmacologic treatment of insomnia. He is director of the clinical BSM program at the Penn Sleep Center and is in the process of setting up a BSM program at the Philadelphia VA Medical Center.

Laszlo Gyulai, MD

Associate Professor of Psychiatry

Laszlo Gyulai, MDDr. Laszlo Gyulai is an Associate Professor of Psychiatry at the Hospital of the University of Pennsylvania Department of Psychiatry. He graduated with his M.D. Summa Cum Laude from Semmelweis Medical University in Hungary in 1973. His research focuses on Bipolar disorder, with his most recent study focusing on Bipolar disorder in geriatric patients.


Chang-Gyu Hahn, MD, PhD

Associate Professor of Psychiatry

Chang-Gyu Hahn, MD, PhDDr. Chang-Gyu Hahn is an Associate Professor of Psychiatry at the University of Pennsylvania. He received his M.D. at Seoul National University in Seoul, Korea and his Ph.D. in Neurobiology and Physiology at the University of Connecticut. His thesis work focused on activity dependent gene regulation of neural cell adhesion molecules. He subsequently completed his residency in Psychiatry and a research fellowship in Neuropsychopharmacology, both at the University of Pennsylvania. Dr. Hahn directs the Neuropsychiatric Signal Transduction Program within the Center for Neurobiology and Behavior in the Department of Psychiatry. The program has a special interest in developing new research paradigms that address clinically relevant questions for psychiatric illnesses from molecular and cell biological perspectives. Currently, his laboratory program has two major avenues of research. First, he employs the olfactory epithelial biopsy approach to investigate intracellular molecular processes associated with the pathophysiology and treatment of mood disorders and psychiatric illnesses. Second, he investigates protein-protein interactions in the post-synaptic density with a focus on neuregulin 1 - erbB4 signaling in postmortem brain tissues of patients with schizophrenia. His research has been supported by Stanley Medical Research Institute, National Alliance for Research on Schizophrenia and Depression, Pharmaceutical Companies and National Institute of Mental Health.



Michael Perlis, PhD

Associate Professor of Psychiatry

Michael Perlis, PhDDr. Perlis is an Associate Professor of Psychiatry and the Director of the Upenn Behavioral Sleep Medicine Program.

His areas of expertise include sleep in psychiatric disorders and neurocognitive phenomena in insomnia, the mechanisms of action of sedative hypnotics and the development of alternative treatments for insomnia. His clinical expertise is in the area of Behavioral Sleep Medicine and he is the principle author of the first text book in this field (Treating Sleep Disorders: The Principles and Practice of Behavioral Sleep Medicine, Wiley & Sons) and is the Senior author of a textbook on The Cognitive Behavioral Therapy for Insomnia.

He has authored and co-authored a variety of papers and chapters on the assessment and treatment of sleep disorders and published more than 60 empirical or theoretical papers on sleep related topics and his is on the editorial boards of The Journal Sleep and The Journal of Sleep Research.




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