Rebekah Varela is the chief operating officer of Doctors Without Borders/Médecins Sans Frontières in the United States (MSF USA). Rebekah joined MSF in 2011 and has worked in Malawi, Papua New Guinea, Armenia, and most recently in the Republic of Georgia as head of mission, where MSF led tuberculosis programming including observational studies and clinical trials focused on multidrug-resistant tuberculosis. Immediately prior to rejoining MSF in 2020, Rebekah served as the inaugural managing director for the Center for Tuberculosis at the University of California, San Francisco.

Rebekah completed her undergraduate studies at the University of California, Berkeley, and graduate studies in global health at the University of Manchester Humanitarian and Conflict Resolution Institute. She studied midwifery in a binational setting in El Paso, Texas, and Juarez, Mexico.