What Happened to Dev Ittycheria's Departure and Return to MongoDB?
Dev Ittycheria, who served as MongoDB's President and CEO for over a decade, initially stepped down in November 2025, succeeded by Chirantan "CJ" Desai. However, on September 28, 2026, Desai abruptly resigned to take a senior role at Meta Platforms, leading to Ittycheria's immediate appointment as interim President and CEO of MongoDB, marking a swift return to the company's helm.
Quick Answer
Dev Ittycheria, after leading MongoDB for 11 years and stepping down in November 2025, has returned as the company's interim President and CEO, effective September 28, 2026. This unexpected leadership change occurred after his successor, Chirantan "CJ" Desai, resigned to pursue a senior role at Meta Platforms, Inc. MongoDB's board has initiated a search for a permanent CEO, while Ittycheria also maintains his role as Lead Independent Director of Datadog and Partner at Sequoia Capital.
📊Key Facts
📅Complete Timeline15 events
Co-founded Applica, Inc.
Dev Ittycheria began his entrepreneurial career by co-founding Applica, Inc., a company focused on application integration software.
Co-founded BladeLogic
Ittycheria co-founded BladeLogic, a company that pioneered server automation and compliance software.
BladeLogic IPO
Under Ittycheria's leadership, BladeLogic successfully went public with an IPO.
BladeLogic Acquired by BMC Software
BladeLogic was acquired by BMC Software for approximately $854 million to $900 million, after which Ittycheria served as President of BMC.
Joined Greylock Partners
Ittycheria joined the venture capital firm Greylock Partners as a Venture Partner.
Appointed President and CEO of MongoDB
Dev Ittycheria joined MongoDB as its President and CEO, beginning an impactful eleven-year tenure.
Led MongoDB's IPO
Ittycheria successfully led MongoDB through its initial public offering, marking a significant milestone for the company.
Appointed to Datadog Board
Dev Ittycheria was appointed to the board of directors of Datadog, Inc., where he currently serves as Lead Independent Director.
Announced Stepping Down as MongoDB CEO
After 11 years, Ittycheria announced he would be stepping down as President and CEO of MongoDB, effective November 10, 2025.
CJ Desai Becomes MongoDB CEO
Chirantan "CJ" Desai officially took over as President and CEO of MongoDB, succeeding Dev Ittycheria.
Sells Datadog Shares
Dev Ittycheria, a director at Datadog, sold approximately $34.33 million worth of the company's Class A Common Stock.
Re-elected as Datadog Class I Director
Dev Ittycheria was re-elected to serve as a Class I director on Datadog's Board of Directors during their 2026 Annual Meeting of Stockholders.
Becomes Partner and Senior Advisor at Sequoia Capital
Ittycheria took on the role of Partner and Senior Advisor at Sequoia Capital, a venture capital firm.
CJ Desai Resigns from MongoDB to Join Meta
Chirantan "CJ" Desai stepped down as President and CEO of MongoDB, effective immediately, to pursue a senior role at Meta Platforms, Inc.
Dev Ittycheria Appointed Interim President and CEO of MongoDB
Following Desai's resignation, MongoDB's Board of Directors immediately appointed Dev Ittycheria as interim President and CEO, marking his return to lead the company.
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🔍Deep Dive Analysis
Dev Ittycheria's journey with MongoDB is a significant narrative in the enterprise software sector, marked by a period of transformative growth, a brief departure, and a swift return. Ittycheria first joined MongoDB as President and CEO in September 2014, bringing extensive experience as an entrepreneur, operator, and investor in high-growth software companies. Under his leadership, MongoDB evolved from an early-stage disruptor into a global technology leader, culminating in a successful IPO in October 2017, the first public offering of a database company in over 26 years. During his eleven-year tenure, MongoDB's annual revenue scaled dramatically from approximately $35 million to more than $2.3 billion.
On November 3, 2025, Ittycheria announced his decision to step down from the CEO role, effective November 10, 2025, with Chirantan "CJ" Desai appointed as his successor. This transition was seen as a planned succession after a long and successful period of leadership. Following his departure, Ittycheria remained involved with the tech industry, serving as Lead Independent Director of Datadog, a public software company, and becoming a Partner and Senior Advisor at Sequoia Capital in September 2026.
The landscape at MongoDB shifted dramatically on September 28, 2026, when CJ Desai unexpectedly resigned as President and CEO, effective immediately. Desai's departure was to pursue a senior role at Meta Platforms, Inc., where he would oversee the new Meta Enterprise Platform initiative. MongoDB clarified that Desai's resignation was not due to any disagreement with the company's operations, policies, or practices.
In response to Desai's sudden exit, MongoDB's Board of Directors immediately appointed Dev Ittycheria as interim President and CEO, effective September 28, 2026. This marked a rapid return for Ittycheria, who expressed honor in stepping back into the role, citing his deep knowledge of the company and confidence in its future. The news of Desai's departure and Ittycheria's interim return caused MongoDB's stock to drop significantly, by about 21 percent, on September 28, 2026. The board has initiated a search for a permanent CEO, retaining an executive search firm to assist in the process. As of September 28, 2026, Ittycheria is leading MongoDB as interim CEO while continuing his board role at Datadog and advisory position at Sequoia Capital.
What If...?
Explore alternate histories. What if Dev Ittycheria's Departure and Return to MongoDB made different choices?