Siobhan Dullea

Global / Leadership / Chief Operating Officer
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Siobhan Dullea oversees global operations at MassChallenge and also supports the organization’s future expansion. Siobhan joined MassChallenge from The Grommet, where she served as Chief Growth Officer, responsible for the wholesale business and programs to support entrepreneur growth. Prior, she was a founding member of C Space, formerly Communispace Corporation, where she grew the company’s workforce to nearly 500 employees, managed the global rebrand, and drove revenue to $100 million over her 16-year tenure.Siobhan has a BA in political science and business from Boston University. She is married, has two children, and a poorly trained Boston Terrier. A yoga devotee, she has a brown belt in karate, and is a competitive (but not talented) athlete.


MassChallenge strengthens the global innovation ecosystem by accelerating high-potential startups across all industries, from anywhere in the world.