Google's AI models chief who said the company is 'building-first' culture joins rival Meta

Madhu Gurumurthy, Google's head of product, has joined Meta. Gurumurthy announced that he is leaving Google almost two months ago in a post on X, formerly Twitter. Search giant's former top exec wrote how he had the privilege of helping build two businesses from zero at Google. He wrote how with Gemini 3, Google came from behind to join the big league and compete as equals. Gurumurthy had then not revealed where he will be joining.Known for his thoughts on Twitter, Gurumurthy, had written in June 2025 how Google was moving to a "building-first" culture. In an age of vibe-coding, Gurumurthy said, product managers can show, not tell. "Role profiles are blurring, creativity and building are happening in parallel," he wrote.In a post that he headlined as 'personal update', Gurumurthy wrote that he is joining Facebook and Instagram parent Meta. "Personal update: I’ve joined @Meta to build AI products.