About
Duncan Sahner is a partner at Abdiel Capital Advisors, LP, an investment firm based in Manhattan, New York. In his current role, Sahner is responsible for overseeing business development and investor relations, helping to shape the firm's strategy and expand its investor base. His investment focus lies primarily in alternative asset classes—including hedge funds, private equity, venture capital, and managed futures—with particular attention to long-term, concentrated positions in listed equities.
Prior to joining Abdiel Capital, Sahner served as special assistant to renowned investor Peter Thiel, gaining hands-on experience with high-conviction investing and strategic portfolio management. His career has also included significant non-profit board leadership, including trustee roles for organizations such as the Horticultural Society of New York and the Planting Fields Foundation.
Sahner graduated magna cum laude from Princeton University with an A.B. in History, completing extensive coursework in art and architecture. His expertise combines rigorous historical analysis with practical investment acumen, reflected in the firm's reputation for thoughtful research and disciplined investment decisions. Sahner has been recognized for his contributions to investment management and civic leadership, notably through board appointments and his service as president of his Princeton class.
Career History
| Organization | Role | Date Range | Details | 
|---|---|---|---|
| Abdiel Capital | Partner | Jul 2010 to Present | Abdiel Capital is a concentrated, long-only, long-term value investment fund. | 
| Clarium Capital Management | Advisor to Peter Thiel | Sep 2008 to Nov 2009 | — | 
| Witherspoon Institute | Assistant Director | Jun 2006 to Sep 2008 | The Witherspoon Institute works to enhance public understanding of the ideas and institutions which enable free societies to flourish. The Institute promotes the application of fundamental principles ... | 
Education
Princeton University
A.B., History
2002 — 2006
Others at Abdiel Capital Advisors, LP (4)
| Name | Role | Location | 
|---|---|---|
| Managing Partner | New York, NY , United States | |
| Analyst, Partner | New York, NY , United States | |
| GGeoff Gentile | Managing Partner | United States | 
| Analyst | New York, NY , United States |