Stage FocusSeries B+
GeographyUS
TypeVC
Last Activity2026
Industry Focus
Industries
AISpaceCybersecurityAdvanced ManufacturingAerospaceBiotechFood TechBuilt EnvironmentMedtechBlockchain
Technical BenchLimited
Investor TypeGeneralist
ExposureSome DeepTech Investments
Bio
PROOF is a growth-stage venture firm based in Reston, Virginia, founded in 2015 by Thanasis Delistathis and John Burke. It has around $750 million in assets under management across 107 total investments. The firm specializes in follow-on and pro-rata investing, partnering with original early-stage managers such as Frontier Venture Capital to back their top-performing companies as they mature into ...
Notable Investments
C
Colossal BiosciencesZ
ZiplineA
AstraU
Ursa MajorD
Desktop MetalI
IconD
DragosY
YubicoC
CartaB
Beyond MeatD
DailyPayR
Rad AISimilar Funds
Newfund Capital
Paris, France
GeneralistAINeurotechMedtechPre-SeedSeed
Bessemer Venture Partners
Menlo Park, United States
GeneralistAISpaceClimate TechSeedSeries A
Alpha Edison
Los Angeles, United States
GeneralistAIQuantumAerospaceSeedSeries A
Kima Ventures
Paris, France
GeneralistAIBiotechEnergy TechPre-SeedSeed
OCA Ventures
Chicago, United States
GeneralistAIMedtechBiotechSeedSeries A
Pillar VC
Boston, United States
DeepTech NativeAIBiotechSynthetic BiologyPre-SeedSeed