Investing Profile
Stephen Romanoff
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Stanford University Network
518 CONNECTIONS
US Army Network
15 CONNECTIONS
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cbCurrent Investing Position
Angel
Investment Range
$50K - $500K
Sweet Spot
$100K
Investments On Record
8
Stephen Romanoff is on these Sector & Stage Rankings
AgTech (Series B)AR/VR (Series B)AR/VR (Series A)AR/VR (Seed)AgTech (Series A)AI (Series B)ClimateTech/CleanTech (Series B)Pharmaceuticals (Seed)Data Services (Series B)AgTech (Seed)EnergyTech (Series B)Investors who were foundersClimateTech/CleanTech (Series A)EnergyTech (Seed)EnergyTech (Series A)Data Services (Seed)ClimateTech/CleanTech (Seed)Data Services (Series A)Enterprise (Series B)Pharmaceuticals (Series B)Space (Series A)Space (Series B)Space (Seed)Pharmaceuticals (Series A)AI (Seed)AI (Series A)SaaS (Series B)Enterprise (Series A)New York CitySan Francisco Bay AreaRaleigh-Durham / Southeast USSaaS (Series A)SaaS (Seed)Enterprise (Seed)
Stephen Romanoff's Investments On Record (8)
Company | StageDateRound Size | Total Raised |
---|---|---|
Databricks | Series UnknownSep 2025$1B | $16B |
Perplexity | Series DDec 2024$500M | $770M |
SpaceX | Secondary MarketJul 2024 | $4.5B |
Pinecone | Secondary MarketNov 2023 | $140M |
Ordermark | Series BJul 2019 | $18M |
Revolut | Series CApr 2018$250M | $1.6B |
Anduril Industries | Secondary MarketN/A | $9.2B |
Observe AI | SecondaryN/A | $5M |
Stephen Romanoff's Experience
Co-Founder & CEO Babbage Education2025 - Present
General Partner Mentat Private Credit Fund I, LP2022 - Present
General Partner Phalanx Capital2018 - 2021
LRRS Fire team leader US Army2014 - 2020
Consultant United States Department of Defense2019 - 2019
Stephen Romanoff's Education
Stanford University Physics Current
Georgia State University Finance International Finance and economics
Investors who invest with Stephen Romanoff
Scouts & Angels Affiliated With Stephen Romanoff