Ethan Russo, MD, is a highly esteemed, board-certified neurologist, psychopharmacology researcher, and author. He is the Founder and CEO of credo-science.com.

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.