Sam Altman is the President of Y Combinator. Previously, he was co-founder and CEO of Loopt, which was funded by Y Combinator in 2005 and acquired by banking company Green Dot in 2012. At Green Dot, he was the CTO and currently serves on the board of directors. Mr. Altman also founded Hydrazine Capital. He studied computer science at Stanford University, and while there worked in The Stanford Artificial Intelligence Laboratory.