OpenAI CEO Sam Altman served as president of Y Combinator, a startup accelerator, from 2014 to 2019.Justin Sullivan via Getty ImagesY Combinator founder Paul Graham said the startup accelerator didn't fire Sam Altman.Altman had roles at OpenAI and Y Combinator before he left the latter in 2019. "We didn't want him to leave, just to choose one or the other," Graham said.OpenAI CEO Sam Altman wasn't fired from his position as Y Combinator president in 2019, the startup accelerator's cofounder Paul Graham said on Thursday. "People have been claiming YC fired Sam Altman.