Investing Profile

Stephen Romanoff

InvestorCEOFounderVC
General Partner at Mentat Private Credit Fund I, LP
babbageidea.comCharlotte, North Carolina
Photo of Stephen Romanoff, General Partner at Mentat Private Credit Fund I, LP
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Networks Stephen is a member of
University of Washington Applied Physics Laboratory Network
841 CONNECTIONS
University of Washington Applied Physics Laboratory Network
841 CONNECTIONS
Stanford University Network
703 CONNECTIONS
PwC Network
116 CONNECTIONS
US Army Network
21 CONNECTIONS

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Current Investing Position
Mentat Private Credit Fund I, LP General Partner
Investment Range
$50K - $500K
Sweet Spot
$100K
Investments On Record
4

Stephen Romanoff is on these Sector & Stage Rankings

Stephen Romanoff's Investments On Record (4)

CompanyStageDateRound SizeTotal Raised
Ordermark
Series BJul 2019
$28M
Co-investors: Chris Moody (Foundry Group), Sydney Meheula (Softbank Group), Ryan Broshar (Techstars), Alex Guerrero (Act One Ventures), Michael Silton (Act One Ventures), David Waxman (TenOneTen Ventures), Natty Zola (Matchstick Ventures)
Revolut
Series CApr 2018$250M
$1.6B
Co-investors: Neil Rimer (Index Ventures), Martin Mignot (Index Ventures), Julien Bek (Sequoia Capital), Alex Cook (Tiger Global Management), Oliver Samwer (Global Founders Capital), Ricardo Schäfer (Target Global), John Doran (TCV), Tom Stafford (DST Global), Henrik Wetter Sanchez (Playfair Capital), Marco Valta (Ambridge Capital), Andrew Nutter (Balderton Capital), Daniel Waterhouse (Balderton Capital), Ralph Baddour (Badhouse Ventures), Dan Jones (Jigsaw VC), David Murray-Hundley (Pario Ventures), Klaus Hommels (Lakestar), Soheil Mirpour, Matteo Gamba, Christopher Zemina
Anduril Industries
Secondary MarketN/A
$9.3B
Co-investors: David Ulevitch (Andreessen Horowitz), Katherine Boyle (Andreessen Horowitz), Hemant Taneja (General Catalyst), Paul Kwan (General Catalyst), Joe Lonsdale (8VC), Raviraj Jain (Lightspeed Venture Partners), Will Kohler (Lightspeed Venture Partners), Ravi Mhatre (Lightspeed Venture Partners), Trae Stephens (Founders Fund), Peter Thiel (Founders Fund), Josh Wolfe (Lux Capital), Jackson Moses (Afore Capital), Ross Fubini (XYZ Venture Capital), Aatish Patel (Other Ventures), Elad Gil (Think Colorado), Lachy Groom (Physical Intelligence), Greg Castle (Anorak Ventures), Geoff Lewis (Bedrock Capital), Brian Singerman (The Founders Fund), Aly Walji (Sparq Capital (SFO)), Jack Campbell (Signal Bay Capital), Michael Chase (Outliers Fund), Stu Shea (01 Advisors), Ana Levine (E1 Ventures), Sebastian Bausch (11k Ventures), Mircea Pasoi (Stealth Capital), Mislav Tolusic (Marlinspike), Josh Manchester (Champion Hill Ventures), Brian Rabben (Rabben Hood Ventures), Fanny Surjana, Mattia Astori, Thomas Tull, Richard Cooperstein, William Miller
Observe AI
SecondaryN/A
$5M
Co-investors: Yuri Sagalov (10100)

Stephen Romanoff's Experience

Co-Founder & CEO Babbage Education2025 - Present
General Partner Mentat Private Credit Fund I, LP2022 - Present
Managing Partner Phalanx Capital Group LLCPresent
Co-Founder VirumPresent
Chairman Of The Board VirumPresent
Ambassador The Private Investment Group Part-timePresent
Strategic Advisor Sleeping Donkey Full-timePresent
Advisory Board Member VIVID Development Group Part-timePresent
Co-Founder | CEO BabbagePresent
Investment Committee Member University of Washington Applied Physics LaboratoryPresent
Strategic Advisor RobostorePresent
Strategy Consultant RelevantzPresent
Investor Observe.AIPresent
Partner Stealth Company (Stephen Romanoff)Present
Investor PineconePresent
Partner | Syndication University of Washington Applied Physics LaboratoryPresent
Vice President of Private Credit U.S. Strategic CapitalPresent
General Partner Phalanx Capital Group LLCPresent
Consultant PwCPresent
Airborne Reconnaissance US ArmyPresent
Principle Tsar Consulting LLCPresent
Consultant United States Department of WarPresent
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