Board of Directors

Board of Directors

Bruce Booth, DPhil


Bruce Booth is a partner at Atlas Venture and focuses on novel biopharmaceutical products, therapeutic platforms, and innovative biomedical technologies. Bruce is currently chairman of AvroBio, miRagen Therapeutics, Nimbus Therapeutics, Rodin Therapeutics, and Quartet Medicine, and also serves on the boards of Lysosomal Therapeutics, Magenta Therapetics, Unum Therapeutics, and Zafgen (NASDAQ:ZFGN). He previously served on the boards of past Atlas companies Avila (acquired by Celgene), Padlock (acquired by BMS), Prestwick (acquired by Biovail), Stromedix (acquired by Biogen), and a number of other ventures. Bruce serves as an advisor in various capacities to UCB, Shire, Pfizer, and Takeda. He also serves on the board of the National Venture Capital Association. Bruce blogs about biotech and venture capital topics at, which is syndicated on Forbes. He has published numerous scientific papers and has authored various biotech venture capital review articles, including several in Nature Biotechnology. Prior to joining Atlas in 2005, Bruce was a consultant at McKinsey & Company, as well as an investor for Caxton Health Holdings. As a British Marshall Scholar, Bruce received a D.Phil. (PhD) in molecular immunology from Oxford University. His work focused on the study of HIV and tumor immune responses. He received a BS in biochemistry, summa cum laude, from The Pennsylvania State University.

Bruce Booth DPhil

Geoff MacKay

Geoff is an experienced CEO with proven success leading innovative businesses. While CEO of Organogenesis Inc., the company treated 1 million patients with living cell therapies, received the first FDA CBER allogeneic cell-therapy approval and achieved an unparalleled position within regenerative medicine. Geoff was founding CEO of eGenesis, applying CRISPR Cas-9 gene editing to xenotransplantation. Geoff spent 11 years at Novartis in senior leadership positions within the Global Transplantation & Immunology franchise. Past activities include Chairman of the Board of MassBio, Chairman of the Board of the Alliance of Regenerative Medicine, and Advisory Council to the Health Policy Commission for Massachusetts. Through his public and private enterprise work, Geoff is dedicated to applying innovation to reshape and improve the quality of healthcare.

Geoff MacKay

Scott Requadt, JD, MBA

Scott Requadt, JD, MBA, is currently a Managing Director at Clarus. Scott has over 17 years of operating and investment experience in the pharmaceutical industry, spanning therapeutics and medtech, and also currently serves on the Boards of VBI Vaccines (Nasdaq: VBIV), ESSA Pharmaceuticals (Nasdaq: EPIX) and two privately-held structured finance vehicles. Prior board and observer roles include TYRX (acquired by Medtronic), Oxford Immunotec (Nasdaq: OXFD), Catabasis (Nasdaq: CATB) and LINK Medicine (acquired by AstraZeneca). Prior to joining Clarus in 2005, Scott was Director, Business Development of TransForm Pharmaceuticals until it was acquired by Johnson & Johnson. Prior to TransForm, Scott practiced as an M&A attorney at the NYC-based law firm of Davis Polk & Wardwell, where he represented numerous private equity, pharma and technology clients. Before that, Scott was a law clerk at the Supreme Court of Canada. Scott holds a B.Com (Economics & Finance) from McGill University (First Class Honors), a law degree from University of Toronto and an MBA from Harvard Business School (Baker Scholar).

Scott Requadt

Joshua Resnick, MD, MBA

Josh is a highly-regarded life sciences leader, entrepreneur, and investment professional with more than 15 years of experience in investing, company formation, and company leadership across all stages from discovery through commercialization. Before joining SVLS, Dr. Resnick was President and Managing Partner at MRL Ventures Fund, the early-stage therapeutics-focused corporate venture fund that he established, built and managed within Merck & Co. Prior to MRL Ventures, Dr. Resnick was a Venture Partner with Atlas Venture, focusing on company formation, seed and Series A investing. During his tenure at Atlas, Dr. Resnick was also the Founder and CEO of two start-ups in the immuno-oncology and neuro spaces. Prior to Atlas Venture, Dr. Resnick was a Partner at Prism Venture Partners, where he focused on early-stage biopharmaceutical, medical device, tools and diagnostics investments. Dr. Resnick is also an Attending Physician at Massachusetts General Hospital as well as Brigham and Women’s Hospital, and an Instructor in Medicine at Harvard Medical School. Dr. Resnick graduated Magna Cum Laude from Williams College and received his MD and MBA from the University of Pennsylvania School of Medicine and Wharton School of Business.

Joshua Resnick

Ian Clark

Ian is currently serving as an Operating Partner within Clarus Ventures and most recently served as Chief Executive Officer of Genentech and as Head of Roche’s North American Commercial Operations. From 2003 to 2010 he held the positions of Head of Global Product Strategy and Chief Marketing Officer, Executive Vice President – Commercial Operations and Senior Vice President and General Manager – BioOncology at Genentech. Prior to joining Genentech, he served as general manager of Novartis Canada, where he oversaw all of the company’s operations, and as Chief Operating Officer for Novartis United Kingdom. Ian serves on the boards of Agios Pharmaceuticals, Inc., Corvus Pharmaceuticals, Inc., and Shire plc. He was recently a member of the Kite Pharma board until its acquisition by Gilead Inc. Since 2009, he has served on the boards of directors of the Biotechnology Industry Organization (BIO), the Gladstone Foundation, and the Federal Reserve Bank of San Francisco’s Economic Advisory Council. He is an Advisor to the Institute of Life Sciences at Southampton University in the UK. Ian received a Bachelor of Science Degree and an Honorary Doctorate in Biological Sciences from Southampton University in the United Kingdom.


Christopher Paige, PhD, FCAHS

Christopher earned a PhD in Immunology at the Sloan-Kettering Division of Cornell University Graduate School of Medical Sciences in 1979. He became a Member of the Basel Institute for Immunology in Switzerland in 1980 where he worked until joining the Ontario Cancer Institute as a Senior Scientist in 1987. In 1990, Dr Paige became the founding Director of the Arthritis and Autoimmunity Research Centre as well as Director of Research at The Wellesley Hospital. In 1997, he returned to OCI, now part of the University Health Network, to assume the role of Vice President, Research at UHN. Dr Paige is a Professor in the Departments of Medical Biophysics and Immunology at the University of Toronto.

Christopher Paige

SIGN UP for our Press Releases

To receive our press releases, please click on the link to sign up. Thank you!