Meta Platforms has recruited MongoDB president and chief executive officer Chirantan "CJ" Desai to lead a new artificial intelligence platform aimed at enterprise customers. The platform is seen by Meta CEO Mark Zuckerberg as the company's "next major business pillar."

In a post on X on Monday, Zuckerberg said Desai will serve as chief enterprise platform officer, overseeing new AI products for enterprise customers. The new business unit, called Meta Enterprise Platform, is intended to "help businesses leverage AI to grow and transform in new ways." Zuckerberg said the platform will draw on advantages Meta possesses that "few other companies have," including advanced models, agents, AI infrastructure, and "years of close collaboration with numerous enterprises."

MongoDB shares plunged as much as 27% to $300.45 after the New York open, the biggest intraday drop since March 3. Shares of enterprise software companies such as Microsoft, Salesforce, and ServiceNow also fell. Meta shares dropped about 2%.

Chirantan "CJ" Desai. MongoDB said Monday that its board has asked Dev Ittycheria to return as interim president and chief executive officer. Ittycheria previously held both roles from 2014 to 2025. The board has begun searching for a long-term successor to Desai.

MongoDB chairman Tom Killalea said in a statement: "MongoDB's business remains strong, and there is no better person than Dev Ittycheria to serve as president and CEO during this transition. Ittycheria knows the company very well and has been actively involved as a board member over the past year. He will take office immediately to ensure a smooth transition."

MongoDB also said the company "remains confident" in its business outlook and reiterated the third-quarter and fiscal 2027 guidance it provided earlier this month.