ESSA’s Board of Directors is comprised of successful decision-makers from a broad range of industries.
Richard Glickman, L.L.D. (Hon)
Chairman of the Board
David R. Parkinson, MD
President, Chief Executive Officer & Director
Franklin Berger, CFA
Director
Alex Martin
Director
Scott Requadt, JD, MBA
Director
Gary Sollis, L.L.D.
Director
Ari Brettman, M.D.
Director
Ari Brettman is a Principal in the Blackstone Life Sciences group, having joined Blackstone as part of its acquisition of Clarus in December of 2018. Mr. Brettman joined Clarus in September 2014.
Dr. Brettman is focused on investments across the firm’s portfolio, including startups and partnerships with pharmaceutical companies. Prior to Clarus, Dr. Brettman completed a residency in internal medicine and a fellowship in cardiology at Massachusetts General Hospital. Dr. Brettman was also an NIH-sponsored post-doctoral fellow at the MGH Center for Systems Biology, where he studied the autophagy of lipid droplets and used electronic medical record-based big data analytics at Partners Healthcare to conduct clinical research and improve disease management. Dr. Brettman is a member of the Board of Directors of Praxis Precision Medicines, a startup in genetically defined neuropsychiatric disorders.
Dr. Brettman received his M.D. from Duke University and his AB in History and Science from Harvard College. While a medical student, he was a Sarnoff Cardiovascular Research Foundation Fellow at Stanford University, where he studied angiogenesis
Marella Thorell
Director
Sandy (Sanford) Zweifach
Director
Most recently Sandy Zweifach was the Co-Founder and Chief Executive Officer of Nuvelution Pharma, Inc. Previously, Mr. Zweifach was the Co-founder and CEO of Ascendancy Healthcare, Inc. He has also been a Partner at Reedland Capital Partners, CEO of Pathways Diagnostics, Managing Director and CFO of Bay City Capital, and President and CFO of Epoch Biosciences, which was acquired by Nanogen. Sandy currently serves as the Chair of Palladio Biosciences, Inc., Executive Chair of Janpix, Inc., Chair of IMIDomics SL, and Non-Executive Board Member of Compugen, Inc. (NASDAQ: CGEN) . He is also Sr Advisor to Nuvelution Pharma, Inc. He received his BA in Biology from UC San Diego and an MS in Human Physiology from UC Davis.