In addition to the 37 trustees, the Board of Trustees has four observers. 

Duke University Trustee Observers as of July 1, 2024

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

Drew Greene (Turku, Finland)

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

Rickard Stureborg (Durham, North Carolina)