David Karp - the creator of Tumblr By arimikaya Jul 6, 1986 Karp was born on 6th July 1986 in New York City. Jan 1, 1997 From the age of 11 started learning HTML and it was not long before he was designing websites for small local businesses. Jan 1, 2001 He studied at the Bronx Science for a year but dropped out after a year to begin homeschooling. Jan 1, 2002 He did an internship at Frederator Studios as an animation producer where he was captivated by the computer engineers works. Jan 1, 2003 Karp started working for John Maloney’s UrbanBaby, an online parenting forum. Mar 10, 2003 While working for Urban Baby Karp moved to Japan for 5 months Feb 6, 2006 Karp lost his job at UrbanBaby when it was sold to CNET. Jul 8, 2006 He used the money that he got from his share of sale to establish his software consultancy firm named Davidville. Feb 18, 2007 David Karp and his friend Marco Arment launched Tumblr in February 2007 which is a social networking and micro blogging website. Feb 20, 2009 David Karp is one of the youngest entrepreneur with a personal wealth at 200 million and his company stretching to 800 million dollars. Jun 20, 2013 David sells Tumblr to Yahoo for 1.1 billion dollars