Meta hires MongoDB CEO Chirantan Desai to lead new enterprise AI platform

On September 28, 2026, Meta Platforms announced that Chirantan "CJ" Desai, CEO of MongoDB, will lead its new enterprise AI platform. Desai will report directly to Meta CEO Mark Zuckerberg as chief enterprise platform officer. MongoDB's shares fell 20% after the announcement, and Dev Ittycheria was appointed interim CEO. Meta's platform will offer AI tools like Muse, Meta Business Agent, and coding tools to businesses. Desai previously worked at Cloudflare and ServiceNow.