This is a profile of David Karp, the founder of the popular blogging platform, Tumblr. Karp launched Tumblr in 2007 and has since grown it into one of the most popular social media sites in the world. We'll explore Karp's journey from a high school dropout
From Wikipedia
David Karp is an American businessperson, best known as the founder and former CEO of the microblogging platform Tumblr.