William Geist is a managing partner at Upper90 who specializes in hybrid financing that combines equity and non-dilutive capital for technology companies focused on efficient scaling rather than growth at all costs. His background spans investment banking, M&A, and public markets along with his CFA designation, giving him a more quantitative and risk-focused approach to venture investing than traditional early-stage VCs. William Geist is a managing partner at Upper90 who specializes in hybrid financing that combines equity and non-dilutive capital for technology companies focused on efficient scaling rather than growth at all costs. His background spans investment banking, M&A, and public markets along with his CFA designation, giving him a more quantitative and risk-focused approach to venture investing than traditional early-stage VCs.