About

A Photo of Justin

Justin Purnell is the founder of Ledge Partners, a search fund formed to acquire and operate a profitable business, and the author of a suite of open-source Swift infrastructure for AI-assisted work: SwiftMCPServer and SwiftMCPClient, swift-oauth, BusinessMath, GeoSEOMCP, and quality-gate-swift. He writes the specification and ships the verified build. Before Ledge, Justin was Head of Product at Hotels at Home, where he re-platformed 70+ e-commerce sites across 40+ hospitality brands. He served as Vice President in Strategy and Business Development for NBCUniversal Digital Enterprises after launching Seeso, NBCU’s Subscription Video on Demand service, as Director of Content Strategy and Operations. Justin also directed Amy Poehler’s web series “Smart Girls at the Party,” a web series for ON Networks targeted towards building self-esteem in early adolescent girls. Justin worked at Goldman Sachs for seven years, where he published over 400 pieces of written research as a high yield credit analyst in the Energy and Gaming, Lodging, and Leisure industries.

Justin earned an MBA at the Tuck School of Business at Dartmouth and is Co-President of the Tuck Club of New York. President of the Class of 2000, he graduated from Princeton University with an A.B. in Economics and certificates in Finance and Political Philosophy. Justin has been Secretary of St. Albans’ Great(est?) Class of 1996 since their graduation, is an original Headmaster’s Counselor, and is a co-lead of the school’s Black Alumni Alliance.