In addition to the 34 trustees, the Board of Trustees has four observers. 

Duke University Trustee Observers as of July 1, 2023

Andrew H. Dillon (Attorney & Shareholder, Nathan Sommers Jacobs, Houston, TX)

Sydney Hunt (Stanford, CA)

Warren Lattimore (Durham, NC)

Rhett N. Mabry (President, The Duke Endowment, Charlotte, NC)