RONALD J. COMER has been a professor in Princeton University's Department of Psychology for the past 50 years, also serving for many years as director of Clinical Psychology Studies and as chair of the university's Institutional Review Board. In 2016 he transitioned to emeritus status at the university. He has received the President's Award for Distinguished Teaching at Princeton, where his various courses in psychopathology were among the university's most popular.

Professor Comer is also Clinical Associate Professor of Family Medicine and Community Health at Rutgers Robert Wood Johnson Medical School. He has also been a practicing clinical psychologist and served as a consultant to numerous hospitals, family practice residency programs, and autism programs.

In addition to writing the textbooks Fundamentals of Psychopathology (eleventh edition), Psychopathology: Science and Practice (twelfth edition), Psychology Around Us (fourth edition), and Case Studies in Abnormal Psychology (third edition), Professor Comer has published a range of journal articles and produced numerous widely used educational video programs, including The Higher Education Video Library Series, The Video Anthology for Psychopathology, The Worth Video Collection for Psychopathology, Video Segments in Neuroscience, Introduction to Psychology Video Clipboard, and Developmental Psychology Video Clipboard.

Professor Comer was an undergraduate at the University of Pennsylvania and a graduate student at Clark University. He currently lives in Florida with his wife, Marlene.

JONATHAN S. COMER is a professor of psychology at Florida International University, where he also directs the Mental Health Interventions and Novel Therapeutics (MINT) Program and the Network for Enhancing Wellness in Disaster-Affected Youth (NEW DAY). He is Past President of the Society of Clinical Psychology (Division 12 of the American Psychological Association) and a leader in the field of child mental health. The author of over 250 scientific papers and chapters, he has received career awards from the American Psychological Association, the Association for Psychological Science, and the Association for Behavioral and Cognitive Therapies for his research on innovative treatment methods, child anxiety and behavioral challenges, the intergenerational transmission of psychopathology, and the impact of traumatic stress, disasters, and public health crises on children.

In addition to Fundamentals of Psychopathology (eleventh edition) and Psychopathology: Science and Practice (twelfth edition), Professor Comer has authored Childhood Disorders (second edition) and edited The Oxford Handbook of Research Strategies for Clinical Psychology. He serves as Editor of the journal Behavior Therapy and is a Fellow of the American Psychological Association. He is also a practicing clinical psychologist.

Professor Comer was an undergraduate at the University of Rochester and a graduate student at Temple University. He currently lives in South Florida with his wife, Jami, and their children Delia and Emmett. He loves being dazzled by his daughter's stunning artwork and his son's electrifying basketball skills. He also enjoys playing and listening to music, painting rocks with his family, and keeping an eye on the often-frustrating Philadelphia sports teams that his father taught him to love/hate.