Sam Altman oversaw a period of aggressive expansion at Y Combinator, growing its roster of startups from dozens to hundreds.

Several Silicon Valley investors believed Sam Altman's loyalties were divided, as he was known to make personal investments selectively into the best companies, blocking outside investors.

Sam Altman states that the new generation of startups thinks differently, focusing on compute capacity rather than hiring many employees.

Sam Altman has indirect equity in OpenAI through the YC fund, which is Y Combinator.