Jerry Neumann, Angel Investor

Jerry Neumann is the author of ReactionWheel, where he has written extensively on venture capital and entrepreneurship since 2007. He also served as an Adjunct Professor at Columbia University, teaching Managing Technological Innovation for the engineering school’s entrepreneurship minor. In addition, he has held board roles at companies including Sila and PCB:ng, reflecting his deep involvement in early‑stage technology ventures. His career blends thought leadership, teaching, and hands‑on investing, with a focus on helping founders navigate innovation and growth. As an angel investor, Jerry has made about 10 investments across SaaS, fintech, and emerging technologies. His portfolio includes Sandgarden, Practice, Sila, Lately, StrongDM, and Zipdrug, highlighting his interest in startups tackling complex problems with scalable solutions.