Paul Graham

Paul Graham (born 13 November 1964) is an English computer scientist, venture capitalist, and essayist. He is known for his work on Lisp, for co-founding Viaweb (which eventually became Yahoo! Store), and for co-founding the Y Combinator seed capital firm. — Wikipedia

Sam Altman, Paul Buchheit, Ali Rowghani, on Revamped Y Combinator -

Under Sam Altman, Silicon Valley’s hottest startup factory Y Combinator plans to grow 10x.