Who Is Uday Ruddarraju? Indian-Origin Engineer Who Quit Elon Musk’s xAI To Join OpenAI | Tech Newsby India News Online Team July 12, 2025 0 Last Updated:July 12, 2025, 19:24 ISTRuddarraju, head of infrastructure engineering at Elon Musk’s xAI, resigned after a year. He built Colossus, a supercomputer with 250,000 GPUs, and trained Grok ...