OpenAI moves infrastructure business from Sachin Katti to Uday Ruddarraju

AIOpenAI has put Uday Ruddarraju, its compute CTO, in charge of the infrastructure business that Sachin Katti ran, according to Bloomberg. Katti will leave the role over the next few weeks and remain as an adviser, about a year after joining from Intel in November 2025. Ruddarraju joined OpenAI from xAI in July 2025, where he led infrastructure engineering for xAI and X, and was named CTO of compute in July 2026.