Investing Profile

Stephen Romanoff

InvestorCEOFounderVC
Co-Founder at Babbage Education
babbageidea.comCharlotte, North Carolina
Photo of Stephen Romanoff, Angel

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Stanford University Network
518 CONNECTIONS
US Army Network
15 CONNECTIONS
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Angel
$50K - $500K
$100K
8
CompanyStageDateRound SizeTotal Raised
Databricks
Series UnknownSep 2025$1B
$16B
Co-investors: Ben Horowitz (Andreessen Horowitz), Joshua Kushner (Thrive Capital), John Wolff (Insight Partners), Hao Huang (UpHonest Capital), Alfred Chuang (Race Capital), John Curtius (Cedar Capital Group), Shawn Dimantha (Angel investor), Omar Haque (Family Office), Florian Seroussi (355 Capital), Everett Randle (Kleiner Perkins), Peter Sonsini, Chintan Patel, Jared Sleeper, Miras Mami
Perplexity
Series DDec 2024$500M
$770M
Co-investors: Cack Wilhelm (IVP), Auren Hoffman (Flex Capital), Nat Friedman (C2 Investment), Garry Tan (Y Combinator), Joshua Müller (DTCP), Jim Scheinman (Maven Ventures), Sara Thomas Deshpande (Maven Ventures), Daniel Gross (C2 Investment), Pieter Abbeel (AIX Ventures), Naval Ravikant (The Hit Forge), Paul Buchheit (Y Combinator), Tobias Lutke, Dylan Field, Jeff Bezos, Amjad Masad, Yann LeCun, Peter Sonsini, Bob Muglia, Guillermo Rauch, Shane Neman, Stanley Druckenmiller, Balaji Srinivasan
SpaceX
Secondary MarketJul 2024
$4.5B
Co-investors: Hao Huang (UpHonest Capital), Barry Schuler (DFJ), Trevor Paladino (Lakeside Capital), Ana Levine (E1 Ventures), Omar Haque (Family Office), Chad Anderson (Space Capital), Aatish Patel (GoAhead Ventures), Colton Cray (Litquidity Ventures), Judd Morgenstern (Partners Resolute), Maryanna Saenko (Future Ventures), Cyan Banister (Long Journey Ventures), Luke Nosek (Gigafund), Junaid Mian (1435 Capital Management), Michael Mealling (Starbridge Venture Capital), Mark Ladd (Malex Enterprises), Miyuki Matsumoto (Aglae Ventures), Tim Ringel, Richard Cooperstein, Priyank Chandra, Shane Neman, Rashaun Williams, Fanny Surjana, Vikas Sabnani, Ishani Patel, Siddharth Singhal, Adeel Hussain, Scott Banister, Louis Beryl
Pinecone
Secondary MarketNov 2023
$140M
Co-investors: Peter Wagner (Wing Venture Capital), Peter Levine (Andreessen Horowitz), Tim Tully (Menlo Ventures), John Curtius (Cedar Capital Group), Sahin Boydas
Ordermark
Series BJul 2019
$18M
Co-investors: Chris Moody (Foundry Group), Sydney Meheula (Softbank Group), Natty Zola (Matchstick Ventures), Ryan Broshar (Matchstick Ventures)
Revolut
Series CApr 2018$250M
$1.6B
Co-investors: Neil Rimer (Index Ventures), Alex Cook (Tiger Global Management), Martin Mignot (Index Ventures), Julien Bek (Sequoia Capital), Daniel Waterhouse (Balderton Capital), Ricardo Schäfer (Target Global), Marco Valta (Ambridge Capital), Henrik Wetter Sanchez (Playfair Capital), Dan Jones (Jigsaw VC), David Murray-Hundley (Pario Ventures), Tom Stafford (DST Global), Klaus Hommels (Lakestar), John Doran (TCV), Ralph Baddour (Badhouse Ventures), Matteo Gamba, Christopher Zemina, Andrew Nutter
Anduril Industries
Secondary MarketN/A
$9.2B
Co-investors: David Ulevitch (Andreessen Horowitz), Katherine Boyle (Andreessen Horowitz), Hemant Taneja (General Catalyst), Trae Stephens (Founders Fund), Peter Thiel (Founders Fund), Joe Lonsdale (8VC), Jackson Moses (Afore Capital), Stu Shea (01 Advisors), Ana Levine (E1 Ventures), Ross Fubini (XYZ Venture Capital), Brian Rabben (Rabben Hood Ventures), Greg Castle (Anorak Ventures), Geoff Lewis (Bedrock Capital), Lachy Groom (LGF), Josh Manchester (Champion Hill Labs), Sebastian Bausch (11k Ventures), Mislav Tolusic (Marlinspike), Richard Cooperstein, William Miller, Mircea Pasoi, Fanny Surjana, Thomas Tull
Observe AI
SecondaryN/A
$5M
Co-investors: Yuri Sagalov (10100)
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
Stanford University Physics Current
Georgia State University Finance International Finance and economics