Investing Profile

Jack Altman(323)

InvestorVCAngel

Managing Partner at Alt Capital

altcap.comSan Francisco, California

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Jack Altman's investing connections

29 Investors

Connected to Satya Patel (Homebrew), Josh Elman, Nikhil Basu Trivedi (Footwork), and 26 other investors on Signal.

Networks Jack is a member of

Princeton University Network

124 CONNECTIONS

Princeton University Network

124 CONNECTIONS

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Current Investing Position

Alt Capital Managing Partner

Investment Range

$500K - $10.0M

Sweet Spot

$2.5M

Investments On Record

Current Fund Size

$150M

Jack Altman is on these Sector & Stage Rankings

Sales & CRM (Seed)MarketingTech (Seed)Education (Series A)MarketingTech (Series A)Education (Seed)Sales & CRM (Series A)AI (Seed)AI (Series A)Health IT (Series A)Enterprise (Series A)Health & Hospital Services (Series A)San Francisco Bay Area Health IT (Seed)Digital Health (Series A)Digital Health (Seed)Health & Hospital Services (Seed)Enterprise (Seed)Angel, Scout, and Solo-Capitalists

Jack Altman's Investments On Record (80)

Company	StageDateRound Size	Total Raised
Alleviate Health	SeedOct 2025$4M	$4M
David AI	Series BOct 2025$50M Series AMay 2025$25M	$81M
Co-investors: Alex Kurland (Meritech Capital Partners), Diana Hu (Y Combinator), Terrence Rohan (Otherwise Fund), Sarah Catanzaro (Amplify Partners)
Waldo	Series AOct 2025$10M	$31M
Co-investors: Josh Zelman (Insight Partners), Eliot Durbin (Boldstart Ventures), Josef Feldman (Tectonic Capital), Sylvain Zimmer (50 Partners), Nicolas Dessaigne (Y Combinator), Ed Sim (Boldstart Ventures), Nikhil Basu Trivedi (Footwork), Sean Rad, Justin Mateen, Scott Belsky, Nigel Wray, Ben Porterfield
Parahelp	Series ASep 2025$18M	$22M
Co-investors: Bryan Offutt (Index Ventures), Jared Friedman (Y Combinator), Blake Robbins (Hidden Capital), Christian Reber
Vigil Labs	SeedAug 2025$6M	$6M
Co-investors: Meyer "Micky" Malka (Ribbit Capital), Cyan Banister (Long Journey Ventures), Kevin Hartz (A* Capital (A Star Capital))
Owner	Series CMay 2025$120M Series BJan 2024$33M Series AMar 2022$15M SeedAug 2021$11M	$180M
Co-investors: Alex Bard (Redpoint Ventures), Sam Bankman-Fried (FTX Ventures), Ryan Petersen (Founders Fund), Alex Kurland (Meritech Capital Partners), Max Altman (Saga), Zach Perret (Mischief Venture Capital), Walter Kortschak (Summit Partners), Naval Ravikant (The Hit Forge), Joshua Browder (Browder Capital), Shalini Rao (TCV), Parker Conrad, Max Mullen, Dylan Field, Siqi Chen, Christina Cacioppo, Jonathan Neman, Julian Shapiro, Jason Lemkin, Sean Rad, Justin Mateen, Dharmesh Shah, Guillermo Rauch, Joshua Reeves, Immad Akhund, Scott Belsky, Fidji Simo
Basis	Series ADec 2024$34M	$170M
Co-investors: Guimar Vaca Sittic (FJ Labs), Sheel Mohnot (Better Tomorrow Ventures), Lenny Rachitsky (AirAngels), Edward Lando (Pareto Holdings), Naval Ravikant (The Hit Forge), Sophie Liao (Oyster Ventures), Raymond Tonsing (Caffeinated Capital), Chris Sang (CP Ventures), Daniel Gross (C2 Investment), Nat Friedman (C2 Investment), Kyle Vogt, Aaron Levie, Adam D'Angelo, Amjad Masad, Azeem Azhar, Larry Summers, Claire Hughes Johnson, Mark Gillespie
Antares	Series AOct 2024$30M	$30M
Co-investors: Leo Polovets (Humba Ventures), Heston Berkman (Banter Capital), Alice Lloyd George