Ethan Russo, MD, is a board-certified neurologist, psychopharmacology researcher, and author. He is the Founder and CEO of credo-science.com and the creator of the course Foundations of Cannabis Therapeutics with Ethan Russo, MD: An Evidence-Based Medical Cannabis Education Course. Previously, he was Director of Research and Development of the International Cannabis and Cannabinoids Institute (ICCI) based in Prague, Czech Republic. Medical Director of PHYTECS (2015-2017), a biotechnology company researching and developing innovative approaches targeting the human endocannabinoid system, and from 2003-2014, he served as Senior Medical Advisor, medical monitor and study physician to GW Pharmaceuticals, United Kingdom for numerous Phase I-III clinical trials of Sativex® for alleviation of cancer pain unresponsive to optimized opioid treatment and initial studies of Epidiolex® for intractable epilepsy.