Justin Su co-founded Goalbook, an EdTech company serving 700+ U.S. public school districts with under $1M of outside capital over a decade, and is the legal founder of Long Term Impact, an evergreen fund with no external LPs that can prioritize instructional impact over financial returns. At Long Term Impact, he uses a customized revenue-based financing model where the fund takes a modest equity stake and is gradually repaid through a small percentage of company revenue, returning equity to founders over time.