A Medical Advisor to Palo Santo, Dr. Julie Holland is a renowned psychiatrist and psychopharmacologist. Dr. Holland is a medical advisor to the Multidisciplinary Association for Psychedelic Studies (MAPS) and was previously the medical monitor for several clinical studies examining the efficacy of using MDMA-assisted psychotherapy or cannabis in the treatment of Post Traumatic Stress Disorder. Dr. Holland has worked for decades on US drug policy reform and is a New York Times bestselling author.