Division Leadership

Patricia Lester
Patricia Lester, MD
Division Chief

Dr. Lester is the UCLA Jane and Marc Nathanson Family Professor of Psychiatry, Director of the Nathanson Family Resilience Center, and Medical Director of the Child and Family Trauma Service. Dr. Lester’s research and clinical work have been dedicated to the development, evaluation, and implementation of family centered prevention and treatment for families facing the impact of military deployments, traumatic events, and parental illness.

Lee Klosinski
Lee Klosinski, PhD
Executive Manager

Dr. Klosinski is the senior associate director of the Nathanson Family Resilience Center and Executive Manager of the Division of Population Behavioral Health. A graduate of the University of Notre Dame, he received his doctoral degree in religion from Claremont Graduate University. His extensive administrative and research experience includes serving as director of programs for AIDS Project Los Angeles, co-investigator for the adaptation of two evidence-based prevention interventions for the Centers for Disease Control and Prevention, co-director of the Development Core of the UCLA Center for HIV Identification, Prevention, and Treatment Services, and project director of two randomized control trials of behavioral interventions in South Africa.

Catherine Mogil
Catherine Mogil, PsyD
Educational Manager

Dr. Mogil is an assistant clinical professor at the UCLA Semel Institute for Neuroscience and Human Behavior in the David Geffen School of Medicine. She is a licensed clinical psychologist, serving as the director of training and intervention development for the Nathanson Family Resilience Center. She is also the director of the Family Development Project and the co-director of the Child and Family Trauma Service. Additionally, Dr. Mogil acts as a consultant for the National Military Family Association Operation Purple Family Retreats, the Uniformed Services University, and the Los Angeles County Department of Mental Health.

Her recent research focuses on developing effective interventions for children and families in high-stress environments. Working with children of all developmental stages, Dr. Mogil has been involved in several intervention-development and translational-research projects examining the efficacy of parent-assisted interventions for infants and toddlers in foster care, for school-age children with developmental disabilities, and for adolescents with autism spectrum and other disorders. She is certified in Parent-Child Interaction Therapy, Trauma-Focused Cognitive Behavioral Therapy, and Leadership Education in Neurodevelopmental Disabilities. Dr. Mogil received her doctorate from Pepperdine University and completed her clinical internship at UCLA. She also completed a postdoctoral fellowship specializing in the prevention and treatment of child and family traumatic stress at USC/Children’s Hospital Los Angeles.

Susan Cantwell
Susan Cantwell-Selby, JD
Legal and Program Manager

Ms. Cantwell-Selby is the director of operations for Families OverComing Under Stress (FOCUS) and the legal and program manager for the Division of Population Behavioral Health, based at the UCLA Semel Institute for Neuroscience and Human Behavior. She earned a bachelor of arts degree in government and psychology from the University of Notre Dame and a juris doctor degree, with an emphasis on criminal law in child and family protection, from California Western School of Law. Her considerable experience in administration, research, and mental heath includes 10 years as director of development and publications at the UCLA Center for Community Health, as well as several years as assistant program director with the American Academy of Child and Adolescent Psychiatry. Ms. Cantwell-Selby also completed an internship with the Family Protection Unit of the district attorney's office for the County of San Diego as part of her interdisciplinary legal training. Additionally, she served as an independent consultant in San Francisco, drawing on her experience in family protection working on projects focused on the interface between the justice system and mental health issues for children.

Photo of Susan Cohen
Susan Cohen, MPH
Associate Director

Susan Cohen is the associate director and administrator for the Division of Population Behavioral Health at the UCLA Semel Institute for Neuroscience and Human Behavior. As a life-long Angeleno, she has spent the balance of her career working on behalf of various vulnerable populations within LA County Non-profit organizations. As an undergraduate and graduate alum of CSU, Northridge, Susan holds a bachelor’s and master’s degree in public health with a focus on community based health. Her areas of leadership lie at the intersection of substance use disorders, LGBTQ+ health care, health disparities, women’s health, and organizational management. Ms. Cohen has been a faculty member in the health sciences departments of Mt. San Antonio College, College of the Canyons, and most recently, CSU, Northridge, where she has taught public health courses for 20 years and has coordinated their field placement programs for both health administration and public health majors. She enjoys traveling, spending time with her spouse and two teenage sons, their two dogs, and exploring new-found places in Los Angeles.



Jessica Jeffrey
Jessica Jeffrey, MD, MPH, MBA
Associate Division Chief

Dr. Jeffrey is a child and adolescent psychiatrist at the UCLA Semel Institute for Neuroscience and Human Behavior. She is the Associate Director of Ambulatory Services within the UCLA Department of Psychiatry and she also serves as the Associate Director of the Division of Population Behavioral Health at the Semel Institute for Neuroscience and Human Behavior. Additionally, Dr. Jeffrey is the Lead Child Psychiatrist at UCLA Behavioral Health Associates. Dr. Jeffrey is a Fellow of the American Psychiatric Association and a Distinguished Fellow of the American Academy of Child and Adolescent Psychiatry. She has published articles in the fields of psychiatry and health care systems, spanning topics including integrated behavioral healthcare, anti-NMDA receptor encephalitis, and quality of life in depression. Dr. Jeffrey is interested in systems of health care delivery, quality improvement and family resilience. She also has a strong interest in advocacy for improved child mental health access.