Gregory A. Hinrichsen, Ph.D. is a graduate of Harvard College and holds a doctorate in psychology with a focus on gerontology from New York University. In his 25 year career at the Long Island Jewish Medical Center, he served in research, clinical, and administrative positions that included director of psychology training and associate director of psychology. Professional interests include the social context of late life depression, empirically-supported treatments for depression and insomnia in older adults, and clinical geropsychology training -- topics on which he has published extensively. He has held various aging-related leadership positions in the American Psychological Association (APA). During 2007-2008 Dr. Hinrichsen was an American Psychological Association/American Association for the Advancement of Science Congressional Fellow working in the office of Senator Ron Wyden on health and aging legislative issues. During the HAPF year, he was aging and mental health policy liaison in the Office of Mental Health Services at the U.S. Department of Veterans Affairs (VA). Subsequently, he was VA national director for community mental health. He is currently on faculty at the Icahn School of Medicine at Mount Sinai, and with the Department of Counseling and Clinical Psychology at Columbia University Teachers College.