Amir Nashat, Ph.D.

Director

Dr. Nashat has served as a member of our board of directors since January 2015. He is a managing partner at Polaris Partners, a venture capital firm, where he has worked since April 2002. Dr. Nashat was also the founding Chief Executive Officer of Living Proof, Inc. and Sun Catalytix Corporation. He currently represents Polaris on the boards of Scholar Rock, Agbiome, Inc., aTyr Pharmaceuticals, Inc., Fate Therapeutics, Inc., Jnana Therapeutics, where he also serves as the Chief Executive Officer, CAMP4, Morphic Therapeutic, Inc., Olivo Labs, Promedior, Inc., Selecta Biosciences Inc., Syros Pharmaceuticals, Inc., and Taris Biomedical, LLC. Dr. Nashat also serves on the Partners Innovation Fund, the Investment Advisory Committee for The Engine at MIT, and helped launch the MIT Sandbox Innovation Fund as its active president. He previously served on the board of directors of the New England Venture Capital Association. He received an M.S. and B.S. in materials science and mechanical engineering from the University of California, Berkeley and a Sc.D. as a Hertz Fellow in chemical engineering at MIT with a minor in biology.

John McHutchison, AO, M.D.

Director

Dr. McHutchison joined our board in June 2020. Since August 2019, Dr. McHutchison has served as the President and Chief Executive Officer and as a director of Assembly Biosciences, Inc. a clinical-stage biotechnology company. Prior to joining Assembly Biosciences, Inc., he was the Chief Scientific Officer and Head of Research and Development of Gilead Sciences, Inc. Prior to joining Gilead in 2010, Dr. McHutchison worked at Duke University Medical Center, where he served as Associate Director of the Duke Clinical Research Institute. He also held the positions of Professor of Medicine in the Division of Gastroenterology at Duke University Medical Center, Associate Director at Duke Clinical Research Institute and Co-Director of the Duke Clinical and Translational Science Award. Prior to his positions at Duke University, Dr. McHutchison spent nearly 10 years at Scripps Clinic, most recently as Medical Director, Liver Transplantation. He also previously held an Assistant Professorship in Medicine at the University of Southern California. In June 2018, Dr. McHutchison was appointed an Officer of the Order of Australia in recognition of his distinguished service to medical research in gastroenterology and hepatology. Dr. McHutchison has undergraduate degrees in medicine and surgery from the University of Melbourne in Australia and completed his residency in internal medicine and fellowship in gastroenterology at the Royal Melbourne Hospital. He is a member of the Royal Australasian College of Physicians.

Preston Klassen, M.D., MHS

President and Chief Executive Officer

Dr. Klassen has served as our President and Chief Executive Officer and as a member of our board of directors since June 2020. From March 2017 to June 2020, Dr. Klassen served as Executive Vice President, Head of Research and Development and Chief Medical Officer of Arena Pharmaceuticals, Inc. From June 2016 to March 2017, he was Chief Medical Officer of Laboratoris Sanifit S.L., a biotechnology company, and prior to that, from November 2009 to May 2016, was Executive Vice President, Head of Global Development at Orexigen Therapeutics, Inc. Dr. Klassen also held several positions of increasing responsibility at Amgen Inc., including Therapeutic Area Head for Nephrology. Before joining Amgen, he was a faculty member in the Division of Nephrology at Duke University Medical Center. Dr. Klassen holds a B.S. in Chemistry from Central University of Iowa. Dr. Klassen received his medical degree from the University of Nebraska College of Medicine and completed his residency in internal medicine, fellowship in nephrology, and Master of Health Sciences degree at Duke University.

Andrew Guggenhime

Director

Mr. Guggenhime has served as a member of our board of directors since July 2018. He currently serves as Chief Financial Officer and Chief Business Officer of Vaxcyte, Inc., a public vaccine company. From April 2014 to May 2020, Mr. Guggenhime served as Chief Financial Officer of Dermira, and from April 2014 to May 2018 he also served as Chief Operating Officer. From September 2011 to April 2014, Mr. Guggenhime served as Chief Financial Officer of CardioDx, Inc., a molecular diagnostics life sciences company, and as a member of the CardioDx board of directors from April 2014 until July 2016. From September 2010 to April 2011, he served as Chief Financial Officer of Calistoga Pharmaceuticals, Inc., a biotechnology company acquired in April 2011 by Gilead Sciences, Inc. From December 2008 to June 2010, Mr. Guggenhime served as Senior Vice President and Chief Financial Officer of Facet Biotech Corporation, a biotechnology company acquired in April 2010 by Abbott Laboratories. Facet Biotech Corporation was spun off from PDL BioPharma, Inc. at which Mr. Guggenhime served as Senior Vice President and Chief Financial Officer from April 2006 to December 2008. From October 2000 to March 2006, he served as Chief Financial Officer of Neoforma, Inc., a provider of supply-chain management solutions for the healthcare industry acquired by Global Healthcare Exchange, LLC in March 2006. From January to October 2000, Mr. Guggenhime served as Neoforma’s Vice President, Corporate Development. Mr. Guggenhime began his career in financial services at Merrill Lynch & Co. and Wells Fargo & Company. He holds a B.A. in International Politics and Economics from Middlebury College and holds an M.B.A. from the J.L. Kellogg Graduate School of Management at Northwestern University.

Carol Gallagher, Pharm.D.

Director

Dr. Gallagher has served as a member of our board of directors since November 2017. Since October 2014, she has served as a partner with New Enterprise Associates, a venture capital firm. Prior to joining New Enterprise Associates, Dr. Gallagher served as a venture partner with Frazier Healthcare from October 2013 to September 2014. She served as the President and Chief Executive Officer of Calistoga Pharmaceuticals, Inc., a biopharmaceutical company, from 2008 to 2011, when the company was acquired by Gilead Sciences. From 2007 to 2008, Dr. Gallagher was the President and Chief Executive Officer of Metastatix, Inc., a biopharmaceutical company. Between 1989 to 2007, she served in various roles at pharmaceutical companies Eli Lilly, Amgen, Agouron Pharmaceuticals, Pfizer, Biogen Idec Pharmaceuticals, CancerVax and Anadys Pharmaceuticals. Dr. Gallagher attended Vanderbilt University and received B.S. and Doctor of Pharmacy degrees from the University of Kentucky.

Ronald Evans, Ph.D.

Director

Dr. Evans, one of our co-founders, has served as a member of our board of directors since September 2014. He is a professor, director and biologist at The Salk Institute, where he serves as the March of Dimes Chair in Molecular and Developmental Neurobiology. Dr. Evans became a faculty member of The Salk Institute in 1978. He also serves as a Howard Hughes Medical Institute Investigator, a position he has held since 1985. Dr. Evans was elected to the National Academy of Sciences in 1989. He received his B.S. and Ph.D. degrees from UCLA in 1970 and 1974, respectively, followed by a postdoctoral training at Rockefeller University from 1975-1978.

Kristina Burow

Director

Ms. Burow has served as a member of our board of directors since May 2015. She has served as Managing Director of ARCH Venture Partners, or ARCH, since November 2011 and previously held roles of increasing responsibility at ARCH from August 2002 to November 2011. She currently serves on the board of several biopharmaceutical and biotechnology companies, including Scholar Rock Holding Corporation, Vividion, Beam Therapeutics, Lycera Corp., BlackThorn Therapeutics, Inc., Sienna Biopharmaceuticals, Inc., Unity Biotechnology, Inc., AgBiome Inc., Vir Biotechnology Inc. and Gossamer Bio, Inc. Ms. Burow previously was a co-founder and member of the board of directors of Receptos Inc., until its acquisition by Celgene Corporation, and of Sapphire Energy, Inc., an energy company. She has participated in a number of other ARCH portfolio companies including KYTHERA, Siluria Technologies, Inc., an energy company, and Ikaria, Inc., a biotechnology company, acquired by Madison Dearborn Partners. Prior to joining ARCH, Ms. Burow was an associate with the Novartis BioVenture Fund in San Diego and an early employee at the Genomics Institute of the Novartis Research Foundation. She received a B.A. in chemistry from the University of California, Berkeley, an M.A. in chemistry from Columbia University, and an MBA from the University of Chicago.

Robert Adelman, M.D.

Director

Dr. Adelman has served as a member of our board of directors since January 2015. Since 2010, he has served as Managing Partner at venBio Partners LLC, a life sciences investment firm, which he co-founded in 2009. Prior to co-founding venBio, he worked at OrbiMed Advisors LLC from 2002 to 2008, where he led numerous investments in both private and public companies across three venture capital funds. In addition, Dr. Adelman previously served on the boards of Apellis Pharmaceuticals, Inc., Seragon and Aragon. He received his B.A. from University of California, Berkeley and his M.D. from Yale University, performed his residency at Cornell University Medical Center, and practiced surgery in New York and New Jersey.

Richard Heyman, Ph.D.

Chairman

Dr. Heyman, one of our co-founders, joined our board in September 2014 and has served as our Chairman since June 2015. From August 2013 to April 2015, he served as the Chief Executive Officer of Seragon, which he also co-founded. Prior to joining Seragon, he served as the Chief Executive Officer of Aragon, which he co-founded in 2009. Dr. Heyman has served as Chairman of the Board of Directors of ORIC Pharmaceuticals, Inc., a private company focused on the discovery and development of novel therapies for treatment-resistant cancers, since November 2014. He serves as Vice Chair of the Board of Trustees of The Salk, and is a board member of Gritstone Oncology, Inc., Yumanity Therapeutics Inc., Vividion Therapeutics, Inc., and Mavupharma Inc. Dr. Heyman also serves on the Executive Committee of the Board of Visitors at the UCSD Moores Cancer Center. He received a Ph.D. in pharmacology from the University of Minnesota and a B.S. in chemistry from the University of Connecticut.