HJF Leadership

Joseph Caravalho, Jr., HJF President & CEO

Joseph Caravalho, Jr., M.D., MG, U.S. Army, Ret.

President & CEO
Chief Executive Officer
Serving HJF since 2017
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Elizabeth "Betsy" Folk

Elizabeth "Betsy" Folk, M.B.A.

Chief Operating Officer
Executive Vice President
Serving HJF since 1992
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Photo Catherine Clark, J.D.

Catherine M. Clark, J.D.

General Counsel and Secretary
Senior Vice President
Serving HJF since 2015
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Photo of Corey Hastings

Corey Hastings, M.B.A., C.P.A.

Chief Financial Officer and Treasurer
Senior Vice President
Serving HJF since 2018
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Nadine Malloy

Nadine Malloy, M.B.A.

Chief Human Resources Officer
Senior Vice President
Serving HJF since 1996
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Merlin Robb, M.D., HJF Senior Vice President

Merlin Robb, M.D., LTC, U.S. Army (Ret.)

Chief Medical Officer
Senior Vice President
Serving HJF since 2001
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Qi “Soso” Yang, M.B.A., C.R.A.

Qi “Soso” Yang, M.B.A., C.R.A.

Research Administration & Innovation Management
Senior Vice President
Serving HJF since 2003
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Latina woman executive in black suit against grey background

Jessica A. Bejarano, J.D.

Chief Ethics and Compliance Officer
Vice President
Serving HJF since 2018
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Arnaud Belard

Arnaud Belard, M.B.A.

Enterprise Optimization
Vice President
Serving HJF since 2005
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photo of Stephen Dalal

Stephen Dalal, D.V.M., M.P.H., COL, U.S. Army, (Ret.)

U.S. Research Development
Vice President
Serving HJF since 2021
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Feroze Deen

Feroze Deen, M.S., M.B.A.

Chief Strategy & Communications Officer
Vice President
Serving HJF since 2011
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Caucasian American executive man in black suit with blue tie, Grayscale in the background

Marc De Serio, M.S.

Chief Information Officer
Vice President
Serving HJF since 2018
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Sheara W. Fewell

Sheara W. Fewell, Ph.D.

Strategic Initiatives
Vice President
Serving HJF since 2009
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Photo of Tiffany Hamm

Tiffany Hamm, Ph.D.

Global Research Development
Vice President
Serving HJF since 2003
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Photo of Andrea Stahl

Andrea M. Stahl, Ph.D., COL, U.S. Army, (Ret.)

Uniformed Services University of the Health Sciences Operations
Vice President
Serving HJF since 2019
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Jackie Vandermeersch

Jackie Vandermeersch

Events
Vice President
Serving HJF since 2010
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Sandhya Vasan

Sandhya Vasan, M.D.

Global Infectious Diseases Research
Vice President
Serving HJF since 2011
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