Craig Newmark, American computer programmer and entrepreneur; founded Craigslist

Craig Alexander Newmark (born December 6, 1952) is an American internet entrepreneur and philanthropist best known as the founder of the classifieds website Craigslist. Prior to founding Craigslist, he worked as a computer programmer for companies such as IBM, Bank of America, and Charles Schwab. Newmark served as chief executive officer of Craigslist from its founding until 2000. He founded Craig Newmark Philanthropies in 2015.