Jason Calacanis | Mahalo

image credit: David Sifry/FlickrJason Calacanis was born on November 28, 1970 in Bay Ridge, Brooklyn, New York. Calacanis founded the web directory Mahalo in May 2007. He is also the co-founder of ThisWeekIn.com and is the host of This Week In Startups. Calcanis founded Open Angel Forum in 2009 and is as an angle investor he has invested in Gowalla, Blippy, gdgt, Thumbtack, and Backupify.

Michael Arrington | TechCrunch

image source: Joi/FlickrMichael Arrington was born on March 13, 1970. Arrington is the founder and co-editor of TechCrunch a blog covering start-up and  technology news. TechCrunch is one of the biggest and most successful tech, and web 2.0 start-up blogs in the world. Arrington along with Jason Calacanis organize the TechCrunch50 (TC50) Conference. The purpose of TC50 is to find the best Web 2.0 start-ups and give them the opportunity to launch in front of venture capitalists and the press.