Investing Profile

Thomas Tull

InvestorAngelCEOFounder

Founder, Chairman and CEO at Tulco, LLC

tulcoholdings.com/about/Pittsburgh, Pennsylvania

Your Intro Paths to Thomas Tull

Signal uses Gmail to reveal intro paths. Email content is never read.

Find Thomas Tull on

Current Investing Position

Angel

Investment Range

$5K - $50K

Sweet Spot

$25K

Investments On Record

Thomas Tull is on these Sector & Stage Rankings

AI (Series B)Data Services (Series B)BioTech (Series B)Robotics (Seed)Media/Content (Seed)Data Services (Seed)Robotics (Series B)Consumer Internet (Series B)Robotics (Series A)Media/Content (Series B)Data Services (Series A)Media/Content (Series A)BioTech (Seed)AI (Seed)BioTech (Series A)AI (Series A)Consumer Internet (Seed)Midwest Consumer Internet (Series A)

Thomas Tull's Investments On Record (29)

Company	StageDateRound Size	Total Raised
Stoke Space	Series DOct 2025$510M	$1.4B
Co-investors: Carmichael Roberts (Breakthrough Energy Ventures), Morgan Beller (NFX), Alexis Ohanian (Seven Seven Six), Peter Bordes (Trajectory Ventures), Kyle Vogt, Justin Mateen, Trevor Blackwell, Charlie Songhurst, Kevin Weil
Modular	Series CSep 2025$250M	$350M
Co-investors: Deep Nishar (General Catalyst), Sam Fort (DFJ)
Colossal Biosciences	Series CSep 2025$120M Series CJan 2025$200M Series BJan 2023$160M Series AMar 2022$60M SeedMay 2021$15M	$560M
Co-investors: Ryan Merket (Comal Ventures), Rayyan Islam (8090 Industries), David Roebuck (Wave Financial), Milad Alucozai (BoxOne Ventures), Tom Chi (At One Ventures), Robert Nelsen (ARCH Venture Partners), Erik Anderson (WestRiver Group), Elia Montanari, Sahin Boydas, Jeffrey Wilke
Oxide Computer Company	Series BJul 2025$100M	$140M
Co-investors: Andy Fligel (Intel Capital), Seth Winterroth (Eclipse Ventures), Gaetano Crupi (Prime Movers Lab)
Gecko Robotics	Series DJun 2025$130M Series CDec 2023$100M	$350M
Co-investors: Trae Stephens (Founders Fund), Joe Lonsdale (8VC), Justin Kan (Goat Capital), Deep Nishar (General Catalyst), Gaetano Crupi (Prime Movers Lab), Ana Levine (E1 Ventures), Paul Buchheit (Y Combinator), Mark Kvamme (Drive Capital), Jake Seid (Ballistic Ventures), Philip Carson (Cubit Capital), Sebastian Bausch (11k Ventures), Gokul Rajaram, Mark Cuban, Emil Lee, Louis Beryl, Zachary Hargreaves, Natasha Ahmed, Joshua Reeves, Vivek Patel
Ditto	Series BMar 2025$82M Series AApr 2023$45M	$140M
Co-investors: Jon Callaghan (True Ventures), Om Malik (True Ventures), Asad Khaliq (aCrew Capital), Howard Hartenbaum (Lobby Capital), John Borthwick (Betaworks Ventures), Jyri Engestrom (Yes VC)
Shield AI	Series FMar 2025$240M Series FOct 2023$300M Series EDec 2022$60M	$980M
Co-investors: David Frankel (Founder Collective), Doug Philippone (Snowpoint Ventures), Daniel Gwak (Point72 Ventures), Ana Levine (E1 Ventures), Ozi Amanat (K2 Global), Frank Taylor (Virginia Venture Partners), Natasha Ahmed, Shivon Zilis, Catherine Wood, Sahin Boydas
Lambda	Series DFeb 2025$480M Series CFeb 2024$320M	$860M
Co-investors: Ray Wu (Alumni Ventures ), Garry Tan (Y Combinator), Fernando Pontaza (Invariantes Fund), Peter Bordes (Trajectory Ventures), Ozi Amanat (K2 Global), Georges Harik, Sahin Boydas, Greg Brockman, Jeff Hammerbacher, Adam D'Angelo, Lukas Biewald