Microsoft 2.5: New security business chief Hayete Gallot on the company’s push into the agentic era

Hayete Gallot, now executive vice president of Microsoft Security, speaks at a Microsoft event in France in 2024. (Microsoft Photo) GeekWire is profiling over the next few weeks some of the people and teams that are shaping the evolution of Microsoft in what we’re calling its “Microsoft 2.5” era . Microsoft 2.5 Hayete Gallot EVP, Microsoft Security Background Rejoined Microsoft in February 2026 after about 1.5 years at Google Cloud as president of customer experience.