Sam Altman, a leading tech entrepreneur, has rejoined the board of directors at OpenAI, a leading artificial intelligence research laboratory. This appointment comes several months after he stepped down from the same role. Sam Altman, who was also a former president of the startup incubator Y Combinator, is one of the co-founders of OpenAI. His return to the board signifies the company’s commitment to harnessing AI for the broader benefit of humanity and to mitigating the risks associated with artificial intelligence.