SRF is a venture capital and design-capital investor focused on impact innovation and social finance. It deploys flexible capital across grants to market-rate investments, backing organizations in health and human longevity, climate and planetary systems, financial inclusion, education, resilient infrastructure, frontier technology and materials. SRF invests in the United States, supports patient multi-year partnerships and has acted as a lead investor in a Series C round, making it relevant for founders seeking later-stage or flexible impact-oriented capital.