Barry Gertz

Sesen Bio, Inc. is a late-stage clinical company, which engages in the development of targeted fusion protein therapeutics. It offers Vicineum and Proxinium, which target tumor cell surface antigens that allow for rapid internalization into the targeted cancer cell and also have limited expression on normal cells. The company was founded by Reza Dana, K. Christopher Garcia, Gregory L. Verdine, Casey T. Weaver, and K. Dane Wittrup on February 25, 2008 and is headquartered in Cambridge, MA.

Cytel, Inc. engages in the provision of data-focused clinical research services and software solutions for the design and analysis of clinical trials. Its services include strategic consulting, statistical genetics, biostatistics, CDISC, clinical data management, and medical writing. The company was founded by Cyrus Mehta and Nitin Patel in 1987 and is headquartered in Cambridge, MA.

Clarus Ventures LLC (Clarus Ventures) is a venture capital subsidiary of Blackstone, Inc. founded in 2005 by Nicholas G. Galakatos. The firm is headquartered in Cambridge, Massachusetts.

HealthCare Ventures LLC (HealthCare Ventures) is a venture capital firm founded in 1985 by Harold R. Werner. The firm is headquartered in Cambridge, Massachusetts.