Gregg Beloff has served as Synlogic’s interim chief financial officer since October 2019. Gregg has more than 20 years of experience in the life science industry, ranging from venture-backed start-ups to publicly traded companies, Gregg is the founder and managing director of Danforth Advisors, a company focused on providing finance support and strategy for life science companies. He previously served as CFO of four public and ten privately held companies, during which time he managed finance, accounting, corporate communications, human resources, IT, facilities, legal, IP, business development and manufacturing functions. Gregg’s core expertise includes operational management, strategic planning and corporate and business development, fundraising and mergers and acquisitions. Prior to his CFO roles, Gregg was a life science investment banker with Adams, Harkness & Hill, where he underwrote financings for and provided buy- and sell-side M&A counsel to biotechnology, medical device, and healthcare information technology companies. He began his career as a corporate attorney with Gaffin & Krattenmaker, a Boston-based law firm. Gregg holds a BA from Middlebury College, JD from the University of Pittsburgh School of Law and an MBA from Carnegie Mellon University.

Dr. David Hava has served as Synlogic’s Chief Scientific Officer since September, 2020. Dave is a microbiologist and immunologist with over 14 years of experience in the pharmaceutical industry leading platform and drug development programs. Prior to joining Synlogic, he was the Chief Scientific Officer at Metera Pharmaceuticals, an early stage company developing novel therapies for serious respiratory diseases. Previously, he was the Chief Scientific Officer at Pulmatrix Inc, where he led Research, Development and Clinical teams focused on the development of respiratory therapies in a novel dry powder delivery technology, called iSPERSE.  In his role as CSO, he led the company’s therapeutic strategy to identify and prioritize drug targets, and oversaw the advancement of multiple clinical programs into Phase 2 clinical development.  Dave joined Pulmatrix in 2006 as one of the first Senior Scientists and was heavily involved in the early stage research and development programs that identified and characterized several of the key aspects of the Pulmatrix technology.  He earned his PhD. in Molecular Biology and Microbiology at Tufts University and completed his post-doctoral training studying immunology and host-pathogen interactions at Harvard Medical School.  As a post-doctoral fellow Dave was awarded a Damon Runyan Cancer Research Fellowship.  He has co-authored numerous manuscripts and abstracts focused on infectious disease, immunology, chronic lung diseases and platform development.

Antoine (Tony) Awad joined Synlogic in December 2018 as Head of Technical Operations and is responsible for process sciences and manufacturing functions for the Company. Tony has over 15 years of experience in the biotechnology and pharmaceutical industry with substantial experience in the development and manufacturing of novel therapeutics from pre-IND studies through global commercialization. Prior to joining Synlogic, Tony was most recently at Abpro Therapeutics and served as Senior Vice President of CMC and Operations where he was responsible for the development of bi-specific antibodies for oncology and leading corporate operational functions. Prior to that he served as Senior Vice President of Technical Operations and Manufacturing at L.E.A.F. Pharmaceuticals focused on developing small molecules for oncology. Previously, Tony held positions of increasing responsibilities over a ten-year period at Merrimack Pharmaceuticals. As Head of Process Sciences & Manufacturing, Tony led CMC development, manufacturing and approval of ONIVYDE® for treatment of advanced pancreatic cancer and transitioned to Ipsen Bioscience to integrate and lead commercial manufacturing of ONIVYDE®. Tony has broad experience in partnerships, collaboration and M&A, most notably with Sanofi, Baxalta/Shire plc, Actavis Pharma/Teva Pharmaceutical Industries and Ipsen Bioscience. He is a graduate of Boston University and holds degree in biochemistry and molecular biology, and conducted graduate research at Boston University School of Dental Medicine.

Dan Rosan joined Synlogic in March 2019 as Vice President, Finance. Dan is a health care strategist & operator with 20 years of experience bringing innovative therapies to patients working in large biotechs, venture backed start-ups, and non-profit organizations.

Dan brings broad expertise in strategy, long range planning, valuation, corporate development, capital allocation, and portfolio management. He previously spent six years at Biogen in roles of increasing responsibility in Finance and Research & Development and supported significant corporate transactions. Most recently he directed Biogen’s R&D Resource & Performance Management team, which provided project management for assets from pre-clinical through clinical proof of concept; drove the integration of external assets and companies into Biogen’s R&D organization; and led R&D business & portfolio planning.

Earlier in his career, Dan was a management consultant with Frankel Group (acquired by Huron Life Sciences in 2014), a boutique firm serving biotechnology companies and investors. He began his career as a public health advocate and community organizer. Dan holds a BA in History from Vassar College and an MBA from Harvard Business School.

Mr. Michael Slater has served as Synlogic’s head of regulatory affairs since September 2019. Michael has more than 35 years of regulatory experience including hands-on preclinical and clinical regulatory strategy development from pre-investigational new drug (IND) application through drug marketing approvals. Mr. Slater was the Head of Regulatory Affairs and later, Development Operations at Merrimack Pharmaceuticals from 2010 to 2019.  At Merrimack, Mr. Slater led the regulatory strategy resulting in the 2015 U.S. approval of Onivyde® (irinotecan liposome injection), an orphan drug for the treatment of metastatic pancreatic cancer. In addition, he worked with Baxalta who acquired certain ex-US rights to Onyvide, to achieve approval in Europe and other countries. Prior to Merrimack, Mr. Slater held various regulatory roles in several biotech and pharmaceutical companies, including Millennium Pharmaceuticals, Acusphere, Inc., Anika Therapeutics, Inc., ImmuLogic Pharmaceuticals, Biogen and Hoechst Pharmaceuticals. With a background in applied biology, Mr. Slater also holds a B.Sc. in information science from Leeds Beckett University, U.K. and is a Fellow of The Organization for Professionals in Regulatory Affairs.