William Sauser

William Sauser is an Associate at Freestone Grove Partners, an SEC-registered investment advisor and hedge fund manager headquartered in San Francisco. In his current role, he is actively involved in fundamental investment analysis and supports deal execution across target sectors defined by the firm's investment mandates. While Freestone Grove covers a broad array of industries—including financials, consumer, healthcare, natural resources, TMT (technology, media, telecom), and industrials—Sauser’s prior experience suggests particular expertise in healthcare and other growth-oriented sectors through his work at Patient Square Capital and Avista Capital Partners.

Prior to joining Freestone Grove Partners in 2025, Sauser was an Associate at Patient Square Capital from 2022 to 2025, where he focused on deal diligence, transaction execution, and portfolio monitoring in the healthcare and life sciences space. He also served as an Associate at Avista Capital Partners from 2021 to 2022, further building experience within middle-market private equity, notably in healthcare and industrials.

Sauser holds a BS in Economics with concentrations in Accounting and Finance from the University of Pennsylvania’s Wharton School, representing robust academic credentials in finance and investment analysis. His educational background and career trajectory underscore his strengths in deal structuring, financial modeling, and sectoral research, positioning him as a specialist in healthcare, growth assets, and private equity transactions.