Shaun Maguire
Shaun Maguire is a venture capitalist and a partner on Sequoia CapitalSequoia CapitalSequoia Capital is a venture capital firm founded by Don Valentine in 1972, investing from the seed stage through the growth stage. Its historical investments include Apple, Cisco, Google, YouTube, Airbnb, and Stripe; in 2021 it introduced the Sequoia Capital Fund structure, which can continue to hold public securities, and in 2023 its regional businesses became independent brands and partnerships.Open the full entry’s seed/early team; he earned a PhD at Caltech and previously co-founded the cybersecurity company Qadium (later renamed Expanse) and served as a partner at GV.
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Key facts
2007–2009Graduate Studies at Stanford University
According to his own account in a Caltech oral history interview, he entered graduate school in Stanford University’s statistics department in 2007 and moved to Caltech in 2009 after earning a master’s degree.[1]
2010sWork at DARPA and Co-founding Qadium
He has said he was recruited to the Defense Advanced Research Projects Agency (DARPA) by Regina Dugan and worked there full-time for about a year and a half; around 2012 he co-founded the cybersecurity company Qadium, later renamed Expanse, which by his account was eventually sold for about one billion dollars.[1]
2016Joining GV
2018PhD from Caltech
The Caltech Heritage Project lists him as a 2018 PhD graduate whose research covered quantum information, black holes and quantum gravity; he named John Preskill as his advisor.[1]
Summer 2019: Joining Sequoia Capital
He has said he joined Sequoia Capital in the summer of 2019. According to his Sequoia profile, when another fund recruiting him made a reference call to Patrick CollisonPatrick CollisonPatrick Collison is an entrepreneur who grew up in Ireland. In 2010 he cofounded the payments and financial infrastructure company Stripe with his brother John Collison and serves as its chief executive; he is also a cofounder of the biomedical research organization Arc Institute and has been a director of Meta since 2025.Open the full entry, Collison instead told Sequoia to hire him; TechCrunch likewise reported that when he left GV in 2019, Collison recommended him to Sequoia’s partners.[1][3][2]
As of October 2026: Partner on Sequoia Capital’s Seed/Early Team
Sequoia’s website lists him as a partner on its seed/early team, with companies he has partnered with including SpaceXSpaceXSpaceX is a company founded by Elon Musk in 2002 whose businesses include space transportation, Starlink satellite communications and artificial intelligence. It went public in 2026 under the ticker SPCX.Open the full entry (2020), X (2022), xAI (2024), Safe Superintelligence (2024) and Neuralink (2025). TechCrunch reported that he led Sequoia’s investment in the stablecoin platform Bridge, which Stripe later acquired for $1.1 billion.[3][2]
Related Organizations, Websites, and Public Accounts
Stanford University: Official website: https://www.stanford.edu/ (opens in a new window)[1]
California Institute of Technology: Official website: https://www.caltech.edu/ (opens in a new window)[1]
GV: Official website: https://www.gv.com/ (opens in a new window)[2]
Sequoia Capital: Official website: https://www.sequoiacap.com/ (opens in a new window)[3]
X: Public account: https://x.com/shaunmmaguire (opens in a new window)[3]
LinkedInLinkedInLinkedIn is a social networking platform for professionals. It was founded in 2002 by Reid Hoffman and others, launched in 2003, and listed on the New York Stock Exchange in 2011; after Microsoft acquired it for approximately $26.2 billion in 2016, it became a wholly owned Microsoft subsidiary. Its revenue comes from membership subscriptions, advertising, and recruitment solutions.Open the full entry: Public profile: https://www.linkedin.com/in/shaun-maguire-c/ (opens in a new window)[3]