PROOF invests in high-performing companies in growth rounds across all VC sectors except life sciences, working in partnership with early stage VCs and leveraging their pro-rata rights in exchange for sharing part of the upside. The firm was founded in 2015 and seeks to invest strategic capital in growth-stage companies. PROOF allows their network partner VCs to maintain their influence on the board, preserve their position in the cap table, and optimize returns in companies experiencing meteoric growth.