Dr. Arsani William
Logos Capital
Managing Partner and Chief Investment Officer
San Fransisco, California

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Category: Venture Growth
Mark: A

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Biography

Dr. Arsani William is the Managing Partner and Chief Investment Officer of Logos Global Management, a biotechnology-focused investment firm dedicated to identifying and investing in companies developing transformative medicines. Logos manages a public investment strategy alongside a series of closed-end investment vehicles supporting both public and private biotechnology companies advancing innovative therapeutics.


Arsani brings a distinctive perspective to investing, combining formal medical training with more than a decade of experience analyzing biotechnology companies, clinical trial design, and drug-development programs. His investment philosophy integrates deep biological insight, rigorous clinical trial statistics, and capital markets expertise, allowing Logos to identify opportunities where scientific complexity leads to market mispricing and asymmetric investment opportunities.


Arsani began his training in drug discovery and translational medicine as an undergraduate researcher at Stanford University. He later earned his MD from Harvard Medical School as a Gerald S. Foster Scholar and his MBA from Stanford Graduate School of Business. Over his career, Arsani has led investments in more than 300 biotechnology companies across public and private markets. He serves on the boards of several biotechnology companies and is actively involved in various teaching and academic initiatives.


Awards

Top Healthcare Investors: 2026, 2024