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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University of Washington Applied Physics Laboratory Network
842 CONNECTIONS
University of Washington Applied Physics Laboratory Network
842 CONNECTIONS
Stanford University Network
701 CONNECTIONS
PwC Network
115 CONNECTIONS
US Army Network
21 CONNECTIONS
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$50K - $500K
$100K
4
CompanyStageDateRound SizeTotal Raised
Ordermark
Series BJul 2019
$10M
Co-investors: Sydney Meheula (Softbank Group), Natty Zola (Matchstick Ventures), Ryan Broshar (Confluence Capital Partners), Alex Guerrero (Act One Ventures), Michael Silton (Act One Ventures), David Waxman (TenOneTen Ventures)
Revolut
Series CApr 2018$250M
$1.6B
Co-investors: Neil Rimer (Index Ventures), Martin Mignot (Index Ventures), Julien Bek (Sequoia Capital), Oliver Samwer (Global Founders Capital), Ricardo Schäfer (Target Global), Daniel Waterhouse (Balderton Capital), Dan Jones (Jigsaw VC), David Murray-Hundley (Pario Ventures), Tom Stafford (DST Global), Klaus Hommels (Lakestar), Ralph Baddour (Badhouse Ventures), Henrik Wetter Sanchez (Playfair Capital), Soheil Mirpour, Christopher Zemina
Anduril Industries
Secondary MarketN/A
$9.3B
Co-investors: Katherine Boyle (Andreessen Horowitz), Hemant Taneja (General Catalyst), David Ulevitch (Andreessen Horowitz), Raviraj Jain (Lightspeed Venture Partners), Will Kohler (Lightspeed Venture Partners), Trae Stephens (Founders Fund), Peter Thiel (Founders Fund), Joe Lonsdale (8VC), Ravi Mhatre (Lightspeed Venture Partners), Paul Kwan (General Catalyst), Jackson Moses (Afore Capital), Josh Wolfe (Lux Capital), Elad Gil (Think Colorado), Greg Castle (Anorak Ventures), Geoff Lewis (Bedrock Capital), Brian Singerman (The Founders Fund), Jack Campbell (Signal Bay Capital), Michael Chase (Outliers Fund), Stu Shea (01 Advisors), Ana Levine (E1 Ventures), Lachy Groom (Stripe), Aatish Patel (Other Ventures), Ross Fubini (XYZ Venture Capital), Aly Walji (Sparq Capital (SFO)), Brian Rabben (Rabben Hood Ventures), Josh Manchester (Champion Hill Ventures), Sebastian Bausch (11k Ventures), Mircea Pasoi (Stealth Capital), Mislav Tolusic (Marlinspike), William Miller, Richard Cooperstein, Fanny Surjana, Mattia Astori
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
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
Stanford University Physics Current
Georgia State University Finance International Finance and economics