Dr. Nikki Rubin is a licensed clinical psychologist specializing in Acceptance and Commitment Therapy (ACT) and 3rd wave cognitive behavioral therapies (CBT). She earned her Psy.D. at Pepperdine University and completed a postdoctoral fellowship in CBT at the American Institute for Cognitive Therapy in New York where she later served as Co-Director of Clinical Training. She is the owner of Nikki Rubin, Psy.D.. A Psychological Corporation, a private practice in her hometown of Los Angeles that provides evidence-based psychotherapy along with supervision and private practice coaching to licensed mental health professionals. She is an Assistant Clinical Professor at UCLA where she trains doctoral students in ACT. Dr. Rubin is also the creator of "The Complete Private Practice Toolkit," an educational course that helps clinicians to start or improve their private practice.

Peter J. Economou, Ph.D., ABPP earned a Ph.D. in counseling psychology and is Board Certified in Cognitive and Behavioral Therapy (CBT) and he is a certified mental performance consultant (CMPC) from the Association of Applied Sport Psychology (AASP). Dr. Pete completed post-doctorate clinical training in neuropsychology and sport psychology before entering academia for 15 years both in non-tenure and tenure positions. He has been a leader in program development, relationships, wellbeing, and more. Dr. Pete completed many international relief projects, which included working with children and adults with developmental disabilities in the Caribbean, and individuals with HIV and AIDS throughout Africa. Dr. Pete has also studied eastern philosophy including Buddhism and Yoga which lead to his interest in the third wave cognitive and behavioral therapies, and he is a Zen teacher in the White Plum lineage installed by Robert Kennedy, Roshi.