Dr. Jeffrey N. Younggren, a Fellow of the American Psychological Association and a Distinguished Member of the National Academy of Practice, 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 a member and chair of the Ethics Committees of the California Psychological Association and the American Psychological Association. He consults to various licensing boards on ethics and standards of care, and qualifies as an expert in criminal, civil and administrative proceedings.

Recently, Dr. Younggren testified regarding the fallibility of memory secondary to trauma and post traumatic stress disorder before the United Nations Bosnian War Crimes Tribunal in the Hague.