Submit a tip
Do you have info to share with HuffPost reporters? Here’s how.
Founder & CEO of MassChallenge
John Harthorne is the Founder & CEO of MassChallenge, the largest-ever startup accelerator and first to help startups with no strings attached. http://www.masschallenge.org
By entering your email and clicking Sign Up, you're agreeing to let us send you customized marketing messages about us and our advertising partners. You are also agreeing to our Terms of Service and Privacy Policy.