Sam Altman
Sam Altman profile

Sam Altman was cofounder and CEO of Loopt, which was funded by Y Combinator in 2005 and acquired by Green Dot in 2012. At Green Dot, he was the CTO and is now on the board of directors. Sam also founded Hydrazine Capital. He studied computer science at Stanford, and while there worked in the AI lab.


Articles by Sam Altman


illustration with stick figures in which one figure is announcing 'let's do this' to three other figures
Social Business

July 3, 2017
The startup playbook
This guide captures lessons learned from years of investing in startups; and, it is just as relevant to social organisations. Read about converting a good idea into a great product, the CEO’s job, hiring talent, fundraising, growth and more.