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Reid Hoffman Just Left Microsoft’s Board After Nearly a Decade. He’s Going Back to Building AI Companies From Scratch.

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Reid Hoffman, the LinkedIn co-founder and longtime Greylock Partners investor, told Microsoft in June 2026 that he would not seek re-election to its board of directors at the company’s 2026 annual shareholder meeting, ending a board tenure of nearly a decade. Hoffman said he wants to return to what he’s called “founder mode” — direct, hands-on involvement in building companies himself, rather than serving primarily as a board member and outside investor — to focus specifically on Manas AI, an AI-driven cancer drug-discovery startup he co-founded.

Manas AI launched in January 2025 with $24.6 million in seed funding, co-led by General Catalyst and Hoffman himself, with additional participation from Greylock. The company has since raised more than $50 million in total across multiple seed rounds, applying AI methods to accelerate the identification of new cancer drug candidates — a genuinely different application area from the consumer and enterprise software products that made Hoffman’s earlier career, including LinkedIn and his board seats at companies like Microsoft.

A Second New AI Venture, Also in Active Fundraising

Separately, TechCrunch reported on July 24, 2026 that Prentis, a new AI lab Hoffman co-founded alongside longtime collaborator and Zynga founder Mark Pincus, is in talks to raise $100 million. Hoffman’s involvement in two actively fundraising AI ventures simultaneously — Manas AI and Prentis — underscores just how directly hands-on his return to “founder mode” has actually been, rather than a symbolic gesture while he continues operating primarily as an investor.

A History of Stepping Back From Board Seats When Interests Overlap

Hoffman’s Microsoft departure follows a similar pattern to an earlier board exit: he was an early investor in OpenAI and sat on its board until resigning in March 2023, citing potential conflicts between that seat and his own AI investments through Greylock, along with his role as a co-founder of Inflection AI (the startup he built in 2022 with Google DeepMind co-founder Mustafa Suleyman, since largely absorbed into Microsoft). Greylock’s own AI portfolio has grown substantially under Hoffman’s investment leadership, with the firm backing dozens of AI companies in recent years.

Also Active Well Beyond Tech

Hoffman has remained a significant political donor in 2026 alongside his startup activity: he contributed $10 million in June to a super PAC supporting Texas Democrat James Talarico’s U.S. Senate campaign against Republican incumbent Ken Paxton, a donation that made up nearly 80% of that PAC’s entire second-quarter fundraising haul. He also attended the closely watched Allen & Company Sun Valley Conference in Idaho on July 8, 2026, an annual gathering of media, finance, and technology executives.

The Original Reason He Had a Microsoft Board Seat at All

Hoffman’s Microsoft board seat traces back to a much earlier, unrelated deal: Microsoft acquired LinkedIn, the professional networking company Hoffman co-founded, in 2016 for $26.2 billion — at the time the largest acquisition in Microsoft’s history. Hoffman joined Microsoft’s board as part of that transaction and remained on it for nearly a decade, well beyond the kind of short-term board seat that sometimes accompanies an acquisition, giving him an unusually long, direct view into Microsoft’s own strategic decision-making, including its evolving relationship with OpenAI, across a period that included his own separate OpenAI board tenure and eventual resignation from it.

What This Means for Philippine Founders

Hoffman’s repeated pattern of stepping back from board seats specifically to avoid conflicts with his own direct investments and startup involvement is a genuine governance lesson worth studying for any Philippine founder or investor sitting on multiple boards simultaneously — proactively resigning a seat before a conflict becomes a real problem is a notably cleaner approach than waiting for outside pressure to force the issue. His parallel involvement in two separately fundraising AI startups is also a useful, concrete signal of where a deeply networked, successful investor is actually placing his own personal time and capital right now: cancer drug discovery and a still-undisclosed second AI lab, both well outside the large consumer-facing chatbot and coding-assistant categories that dominate most current AI funding headlines — a reminder that significant AI opportunity may exist in less obviously crowded application areas than the ones getting the most public attention. His nearly decade-long Microsoft board tenure, dating back to the LinkedIn acquisition, is also a reminder that a single acquisition can create governance relationships that persist for years afterward — a genuinely long runway for both influence and potential conflicts of interest to develop, well beyond the deal that originally created the seat. Founders and investors negotiating board seats as part of an acquisition or investment agreement should treat the seat’s own expected duration, and the conditions under which it might eventually need to end, as a real term worth discussing explicitly up front, rather than an open-ended arrangement to be resolved informally whenever a conflict eventually surfaces.

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