Roger Crystal, MD

Dr. Crystal has served as a director of the Company since August 2022. Dr. Crystal has served as Chief Executive Officer of FoldLogic Bio since 2025, Chief Executive Officer and Chairman of W12 Therapeutics since December 2023 and CEO of Crystal Healthcare Advisory LLC since 2023. In addition, Dr. Crystal has served as a Senior Advisor to Oaktree Capital since March of 2026. Prior to that, Dr. Crystal was the President, Chief Executive Officer and Director of Opiant Pharmaceuticals, Inc. Dr. Crystal held this position from 2019 until the company was acquired by Indivior plc in March 2023. Dr. Crystal led the development of NARCAN® Nasal Spray for opioid overdose, which led to U.S. Food and Drug Administration approval and is the lead inventor on the product’s patents. Dr. Crystal previously served as the Chief Business Officer for ImaginAb from 2004 to 2016. He began his business career with roles at Goldman Sachs, A.T. Kearney, and GE Healthcare. Prior to his business career, Dr. Crystal worked for several years as a surgeon, specializing in ear, nose and throat, head and neck surgery at leading institutions including Imperial College Healthcare, London and was awarded Membership of The Royal College of Surgeons of England (MRCS).

Dr. Crystal holds a Bachelor of Medical Sciences in Physiology and a Doctor of Medicine from the University of Birmingham, UK and a Master of Business Administration from the London Business School.