Martin J. Mannion joined Summit Partners in 1985. Prior to Summit, he worked as a Systems Engineer at IBM Corporation.
Based in Summit’s Boston office, Marty is active in the firm’s investment activities in North America, Europe and Asia.
During his 28 years with Summit Partners, Marty has served as a director of many companies including eight public companies. He is currently a director of CareCentrix, Champion Windows, NameMedia and Sparta Systems. His prior directorships include AdvaCare (NASDAQ: AVCR, acquired by Medaphis), American Dental Partners (NASDAQ: ADPI, taken private), Bartlett Holdings (acquired by Harvest Partners), Clinical Pathology Laboratories (acquired by Sonic Healthcare), Employee Benefit Plans (NASDAQ: EBPI), ImageAmerica (became MedAlliance, NASDAQ: MDAL), Lincare Holdings (NASDAQ: LNCR, later acquired by The Linde Group), Liquidnet Holdings, Litchfield Financial Corporation (NASDAQ: LTCH) and Pharmaco Dynamics Research (merged with Applied Bioscience International Inc., NASDAQ: APBI).
He holds an AB in economics from Princeton University and an MBA from Harvard Business School.
Marty serves on the boards of Up Academy (a charter school management company) and Berklee College of Music and is a trustee of The Park School in Brookline, Massachusetts and Belmont Hill School in Belmont, Massachusetts. Marty also serves on the Advisory Board of the Alydar Funds. His past directorships include Big Brothers Big Sisters of Massachusetts Bay, Children’s Hospital Trust of Boston and Regis High School in New York City.