Stephen Renfro

Stephen Renfro is a Partner and the Chief Operations Officer at Optum Ventures, a venture capital firm focused on healthcare innovation investments. As a founding member of the organization, he directly oversees all financial, legal, and operational functions for an investment vehicle that currently manages over $2 billion in total assets. In this executive capacity, Renfro supports a broad network of more than 65 active portfolio companies specializing in healthcare technology, advanced data analytics, and modern medical services. The firm operates as the independent venture capital arm of UnitedHealth Group, allowing him to collaborate with key industry figures like Larry Renfro to evaluate complex market dynamics. His current focus centers on scaling the firm's internal infrastructure and optimizing operational frameworks to accelerate the growth of emerging digital health and technology enterprises.