Roger Jeffs, PhD


Dr. Jeffs has been a member of our board of directors since December 2014. Dr. Jeffs is the ex-President and ex-Co-Chief Executive Officer of United Therapeutics Corporation, a leading biotechnology company. Dr. Jeffs oversaw the company’s global clinical, commercial, manufacturing, regulatory, pharmacovigilance, and business development efforts. He joined United Therapeutics as Director of Research, Development and Medical in 1998. Prior to joining United Therapeutics, Dr. Jeffs served as the worldwide clinical leader of the Infectious Disease Program at Amgen, Inc. Prior to Amgen, he was a member of the Flolan clinical research team at Burroughs Wellcome & Company. Dr. Jeffs holds a Ph.D. from the University of North Carolina and received his undergraduate degree from Duke University.

Mark Coleman, MD


Dr. Coleman has been a member of our board of directors since December 2014. In addition, from 2012 to 2014, Dr. Coleman served as a consultant to us. Dr. Coleman has served as the Medical Director of the Baltimore branch of National Spine and Pain Centers, or NSPC, the nation’s largest interventional pain management group, from 2005. Dr. Coleman served as Director of Novel Therapies at NSPC from 2009 to 2011. NSPC routinely evaluates emerging treatments for pain through the conduct of clinical trials. Dr. Coleman is a Diplomat of the American Board of Anesthesiology in Anesthesiology and Pain Management. Dr. Coleman holds an M.D. from Johns Hopkins University School of Medicine and received his undergraduate degree from Wesleyan University.

Myrtle Potter


Ms. Potter has been a member of our board of directors since June 2017. Ms. Potter is the Chief Executive Officer and Founder of Myrtle Potter & Company, a healthcare and life science advisory firm, which she founded in 2005. Ms. Potter previously served as the President, Commercial Operations and Chief Operating Officer of Genentech from 2000 to 2005, where she also served on the Executive Committee and was Co-Chair of the Product Portfolio Committee. At Genentech, Ms. Potter led the commercialization of a number of products including Avastin™, Rituxan™, Herceptin™, Tarceva™, Xolair™, Nutropin™, Activase™, and TNkase™. Prior to joining Genentech, she held executive operating positions at Bristol-Myers Squibb and Merck. While at Merck, she started the joint venture entity Astra Merck, which through merger, later became AstraZeneca plc. She began her career with Procter & Gamble Patient Care Products. Ms. Potter currently serves on the Board of Directors of Liberty Mutual Holding Company, Rite Aid Corporation, Insmed, and Proteus Digital Health. She is also on the Board of Trustees of The University of Chicago and previously served on the boards of Everyday Health, Medco Health Solutions, and Ms. Potter holds a Bachelor of Arts Degree from The University of Chicago.

Mark Saad


Mr. Saad has been a member of our board of directors since December 2014. Mr. Saad is currently a Partner and Chief Operating Officer of Alethea Capital Management, LLC, an asset management firm based in San Diego. Between August 2014 and February 2017 he served as the Chief Financial Officer of Bird Rock Bio, Inc., a clinical stage biopharmaceutical company focused on developing innovative immuno-inflammatory regulators. Previously, he served as Chief Financial Officer of Cytori Therapeutics from 2004 to 2014, where he was responsible for finance and accounting, business development, and other operating functions. Prior to Cytori, he served as Executive Director of UBS Investment Bank, where he was the Chief Operating Officer of the Global Healthcare Group. Prior to UBS, Mr. Saad was part of the Health Care Investment Banking Group at Salomon Smith Barney. Mr. Saad holds a Bachelor of Arts from Villanova University.

Herriot Tabuteau, MD

Chief Executive Officer

Dr. Tabuteau has served as our founder, Chief Executive Officer, and Chairman of our board of directors since our founding in January 2012. Prior to founding our company, Dr. Tabuteau was a Senior Analyst and Partner at Healthco/S.A.C. Capital (now known as HealthCor) where he was responsible for the biotechnology, genomics, and instrumentation portfolios. Previously, Dr. Tabuteau was the healthcare analyst at Kingdon Capital. Prior to that position, Dr. Tabuteau was a Senior Research Analyst at Banc of America Securities covering the hospital supplies sector. Prior to Banc of America, Dr. Tabuteau was part of the healthcare investment banking group at Goldman Sachs. Dr. Tabuteau earned his M.D. from Yale University School of Medicine and his Bachelor of Arts in molecular biology and biochemistry from Wesleyan University.