Jeffrey N. Younggren, Ph.D., ABPP, a Fellow of the American Psychological Association (APA) and a Distinguished Member of the National Academies of Practice (NAP), is a clinical and forensic psychologist who practices in Rolling Hills Estates, California. He is a clinical professor at the University of California, Los Angeles, School of Medicine.

Dr. Younggren served as President of APA Division 42 (Psychologists in Independent Practice). He has served on numerous boards and committees, including the Ethics Committees of the California Psychological Association (CPA) and the APA, the APA Committee on Accreditation, and the APA/APLS Committee that drafted the Specialty Guidelines for Forensic Psychology.

Dr. Younggren consults to various licensing boards on ethics and standards of care, and qualifies as an expert in criminal, civil and administrative proceedings.