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PROOF provides strategic capital to growth-stage companies by partnering with select early-stage venture funds. It preserves pro-rata investment rights for partner VCs to maintain ownership as portfolio companies scale. The firm operates as a growth-stage venture firm and emphasizes collaboration with early-stage partners to maximize upside. PROOF focuses on expansion-stage investments across multiple sectors and leverages a network of venture partners.
Lead / follow
Hardware / software
Investment style
Generalist
Data last enriched
Aug 14, 2026
Investing team
- Thanasis DelistathisCo-Founder, Managing Partner
- John BurkeCo-Founder, Managing Partner
- Bryan CiambellaGeneral Partner
- Jennifer SchretterGeneral Partner - Secondaries
- Prince Khaled Bin AlwaleedGeneral Partner - International
- Ha DaoAssociate
- Peter HarrisonVenture Partner
- Lisa SuennenVenture Partner
- Ekta TolaniVenture Partner
- Zeid MasriVenture Partner
How to reach them
Notable investments
Beyond Meat, Carta, Ro, Dragos, Sweetgreen, Yubico