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Our Team

John L. Hennessy

John L. Hennessy

Shriram Family Director

John L. Hennessy is the inaugural Shriram Family Director of the Knight-Hennessy Scholars program after serving as Stanford's 10th president from 2000 - 2016. Under Hennessy's leadership, Stanford has undertaken major new academic initiatives to address important global challenges of this century. Interdisciplinary teaching and research have expanded dramatically with the creation of new cross-school collaborative programs in human health, international affairs, environmental science and other areas. Read John's full biography.

Jeff Wachtel

Jeff  Wachtel

Executive Director

Jeff Wachtel is the executive director of Knight-Hennessy Scholars. He served as senior assistant to President John Hennessy from 2000-2016. In this role, he provided advice and counsel to President Hennessy and represented the President’s Office to individuals and organizations both within and outside the university. Mr. Wachtel holds a bachelor’s degree in urban studies and psychology from Stanford, a master’s degree in city planning from the University of California-Berkeley and a J.D. from the University of California Hastings College of the Law. He is the 2017 recipient of the Kenneth M. Cuthbertson Award, which recognizes exceptional service to Stanford University. Photo by Scott R. Kline


Derrick Bolton is camera-shy, but this is a picture of his office

Derrick Bolton

Dean of Knight-Hennessy Scholars Admission
Celeste Browne

Celeste Browne

Executive Assistant to John Hennessy

Deborah Costa-Stone

Director of Finance and Operations
Imee Diego DuBose

Imee Diego DuBose

Assistant Director, Community and Program

Emily Jiang

Assistant Director, Admission Operations and Technology

Rose Lopez


Rosa Pyun

Associate Director, Marketing & Communications

Rachel Rosten

Associate Director of Admission
Martiza Rae Santiago

Maritza Rae Santiago

Outreach Program Manager

JD Schramm

Director of the King Global Leadership Program
Carole Virtucio

Carole Virtucio

House Manager, Events and Facilities

Sarahi Zaldumbide

Assistant Director, Program
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