David Blumberg is an American venture capitalist and the founder and Managing Partner of Blumberg Capital, a San Francisco-based venture capital firm established in 1991 that invests in early-stage technology companies. The firm has a particular focus on cybersecurity, enterprise software, fintech, and digital health, including investments in Israeli startups. Under Blumberg's leadership, the firm has raised over $1 billion in capital, manages multiple funds, and maintains a portfolio of more than 100 companies, backing notable startups such as Bill.com, Returnly (acquired by Shopify), Cybereason, and Orca Security. His investment philosophy emphasizes founder-centric approaches, providing both capital and strategic guidance to help startups scale globally.

Prior to founding Blumberg Capital, Blumberg began his career at Goldman Sachs in New York in investment banking, later holding roles at technology firms including Silicon Graphics and NeXT Computer, where he contributed to product development and business strategy. This early exposure to Silicon Valley's tech ecosystem shaped his transition into venture capital. He has been active in the VC community, serving on boards of numerous portfolio companies and advocating for innovation in enterprise technologies. Blumberg is also involved in philanthropic efforts, particularly in education and Jewish causes, and maintains professional collaborations with investors like Yuval Steinberg. His firm has been recognized for fostering U.S.-Israel tech partnerships, contributing to global venture capital influence networks. While maintaining a relatively low public profile, his decisions have influenced the growth of several unicorn companies, underscoring his impact on the tech industry.