Board of Directors

Dr. Zeskind has served as our Co-Founder, President, Chief Executive Officer and a member of our board of directors since February 2008. Dr. Zeskind received his S.B. in electrical engineering and computer science and his Ph.D. in bioengineering from Massachusetts Institute of Technology, or MIT, and his M.B.A. from Harvard Business School, where he was recognized as a Baker Scholar, the highest award for distinction.

Dr. Schall has served on our Board of Directors since March 2024. Dr. Schall founded ChemoCentryx, Inc. and served as its President, Chief Executive Officer and Chairman for 25 years until its acquisition by Amgen in 2022. From 1993 to 1997, Dr. Schall worked at the DNAX Research Institute (“DNAX”), a division of Schering-Plough Corporation. Prior to DNAX, he was a scientist with Genentech, Inc. Dr. Schall participated in early discoveries of chemokine system function and activities, and his laboratories have been responsible for the discovery or co-discovery of numerous known chemokine receptors. Dr. Schall received his B.S. in biology from Northern Illinois University and his Ph.D. in cancer biology from Stanford University.

Mr. Carpenter has served on our Board of Directors since May 2009 and previously served as Chair of the Board through December 2023. Mr. Carpenter also currently serves as the Chairman of Hydra Biosciences LLC, or Hydra Biosciences, a privately held clinical-stage biopharmaceutical company. From 1992 until 2015, he served as the Chief Executive Officer of Boston Medical Investors, Inc., a venture capital firm. Mr. Carpenter has founded and served in executive management and board roles at numerous biotechnology companies, including Olaris Inc., Integrated Genetics and GelTex Pharmaceuticals, both of which merged with Genzyme Corporation, and VacTex Corp., which was acquired by Aquila Biopharmaceuticals, Inc. Mr. Carpenter also served as a director of Genzyme Corporation from 1994 to 2010. Mr. Carpenter received his B.S. in engineering from the U.S. Military Academy at West Point, his M.S. in computer science from Stanford University and his M.B.A. from Harvard Business School.

Mr. Feinberg has served on our Board of Directors since January 2021. Mr. Feinberg was a Founding Member of Boxcar Partners, a venture capital investment firm with a focus on biotechnology investing, and has served as Partner there since 2019. Mr. Feinberg is also a Founder of Sporos Bioventures, LLC, a private biotechnology company focused on transforming the drug development process across oncology. In addition, he currently serves as Co-Founder of BridgeBio Pharma, Inc., a publicly traded biotechnology company focusing on genetic diseases, Boxcar PMJ LP and Emerging Security Solutions. He has more than three decades of experience in the financial services industry at Oppenheimer & Co. Inc. where he served as a Managing Director. Mr. Feinberg served on the board of directors of Notable Labs, LTD., a publicly traded biotechnology company, from September 2023 to October 2024. Mr. Feinberg received his B.S. in finance from Whittier College.

Dr. Hausman has served on our Board of Directors since January 2022. Dr. Hausman currently serves as a part-time consulting Chief Medical Officer for Reverb Therapeutics, a pre-clinical stage biotechnology company. Previously, she was Chief Medical Officer at Zentalis Pharmaceuticals, Inc. ("Zentalis"), a position she served from January 2024 to August 2024, having previously served as a member of the Board of Directors at Zentalis from May 2023 until January 2024. Prior to Zentalis, Dr. Hausman served as the Chief Medical Officer of Link Immunotherapeutics from March 2022 to October 2023, and from June 2021 to March 2022 served as the Chief Medical Officer of Lengo Therapeutics ("Lengo"), a wholly-owned subsidiary of Blueprint Medicines Corporation. Prior to Lengo, Dr. Hausman served as Chief Medical Officer for Zymeworks Inc. from June 2016 to May 2021, and as Chief Medical Officer for Oncothyreon Inc. from 2009 to 2016. She also held positions of increasing responsibility at ZymoGenetics Inc., Berlex Inc., and Immunex Corporation, working across multiple indications, including oncology, hematology, hepatitis C and autoimmune disease. Dr. Hausman received her A.B. in biology from Princeton University, her M.D. from the University of Pennsylvania, and her internal medicine and specialty training in hematology and medical oncology at the University of Washington, Seattle.

Ms. Keating has served on our Board of Directors since March 2021. Ms. Keating previously served as the Executive Vice President, Chief Legal Officer and Secretary of Alnylam Pharmaceuticals, Inc., from March 2019 until September 2021, and also served as its Senior Vice President, General Counsel and Secretary from September 2014 until March 2019. From September 2004 until January 2014, she served as the Senior Vice President, General Counsel and Secretary of Millennium Pharmaceuticals, Inc., a wholly owned oncology-focused subsidiary of Takeda Pharmaceutical Company Limited since 2008, and was the founding Chief Executive Officer and a member of the board of directors of Hydra Biosciences. Since December 2021 Ms. Keating has served on and currently chairs the board of directors of a clinical-stage biopharmaceutical company, PepGen Inc. (Nasdaq: PEPG), where she also chairs the Audit Committee and is a member of the Compensation and Nominating and Corporate Governance committees. From November 2021 until the company was acquired by Merck in January 2023, she served on the board of directors of Imago BioSciences (Nasdaq: IMGO), and from 2005 until March 2022 she served on the board of directors of MassBIO, a non-profit organization. Ms. Keating earned her A.B. in economics from the University of California, Berkeley and her J.D. from the University of California, Hastings College of the Law.