# Justin Purnell > Founder of Ledge Partners. Former Goldman Sachs credit analyst, Head of Product at Hotels at Home (Marriott), VP at NBCUniversal. Princeton '00, Tuck MBA. ## About Justin Purnell is the founder of Ledge Partners, a strategic advisory firm helping growth-stage companies translate complex strategy into measurable results. His career spans Wall Street (Goldman Sachs, 7 years, 400+ published research pieces), digital media (NBCUniversal, UCB Comedy), and e-commerce (Hotels at Home / Marriott International, 70+ branded storefronts). ## Sections - [About](https://www.justinpurnell.com/about/): Full biography and background - [CV](https://www.justinpurnell.com/cv/): Complete curriculum vitae with experience, education, and skills - [Portfolio](https://www.justinpurnell.com/portfolio/): Digital products and sites built - [Projects](https://www.justinpurnell.com/projects/): Open-source and technical projects - [BusinessMath](https://www.justinpurnell.com/businessmath/): Financial computation framework and blog ## Key Facts - Education: Princeton University '00 (AB Economics), Tuck School of Business at Dartmouth (MBA) - Technical: Swift, Python, AI/ML, data science, open-source contributor - Leadership: President of Princeton Class of 2000, Co-President Tuck Club of New York - Open Source: BusinessMath (Swift financial computation framework) ## Contact - Website: https://www.justinpurnell.com - LinkedIn: https://www.linkedin.com/in/justinpurnell/ - GitHub: https://github.com/jpurnell - Bluesky: https://bsky.app/profile/justinpurnell.com - Mastodon: https://mastodon.social/@jpurnell