Entrepreneur best known as the co-founder of The Huffington Post and BuzzFeed. After The Huffington Post was bought by AOL by 2011, he left to concentrate on Buzzfeed full-time.
In the 90's, he taught computer science at Isidore Newman School.
He married Andrea Harner. His sister is comedian Chelsea Peretti.
He co-founded The Huffington Post along with Ariana Huffington.