Investing Profile

Ian Hathaway

AdvisorVCInvestor
OpenAI Startup Fund
openai.comSan Francisco, California
Photo of Ian Hathaway, Partner at Open AI Startup Fund
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Ian Hathaway's investing connections

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2 Investors

Connected to Erik Torenberg (Andreessen Horowitz), Michael Dempsey (Compound).

Find Ian Hathaway on

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Current Investing Position
Open AI Startup Fund Partner
Investment Range
$100K - $5.0M
Sweet Spot
$1.5M
Investments On Record
13

Ian Hathaway is on these Sector & Stage Rankings

Ian Hathaway's Investments On Record (5)

CompanyStageDateRound SizeTotal Raised
Adaptive Security
Series BDec 2025$81M
Series AApr 2025$55M
$140M
Co-investors: Enrique Salem (Bain Capital Ventures), Zane Lackey (Andreessen Horowitz)
Harvey
Series EOct 2025$59M
Series EJun 2025$300M
Series DFeb 2025$300M
Series CJul 2024$100M
Series BDec 2023$80M
SeedNov 2022$5M
$1.2B
Co-investors: Patrick Grady (Sequoia Capital), Anas Biad (Sequoia Capital), Sangeen Zeb (GV (Google Ventures)), Elad Gil (Think Colorado), Saurabh Gupta (DST Global), Kris Fredrickson (Verified Capital), Ilya Fushman (Kleiner Perkins)
Ambience Healthcare
Series CJul 2025$240M
Series BFeb 2024$70M
$310M
Co-investors: Julie Yoo (Andreessen Horowitz), Mamoon Hamid (Kleiner Perkins), Vignesh Chandramouli (Oak HC/FT)
Speak
Series CDec 2024$78M
Series BNov 2022$27M
$150M
Co-investors: Josh Buckley (Buckley Ventures), Sven Strohband (Khosla Ventures), Ben Quazzo (Accel), Lachy Groom (Stripe), Gokul Rajaram (gokulrajaram.com), Justin Mateen
Anysphere
SeedJul 2023$8M
$2.4B
Co-investors: Martin Casado (Andreessen Horowitz), Joshua Kushner (Thrive Capital), Matt Bornstein (Andreessen Horowitz), Michael Fertik (Heroic Ventures), Nat Friedman (C2 Investment), Vic Koch (Gokin Solar), Patrick Collison

Ian Hathaway's Experience

Investor Haystack2017 - 2021