Our Team



Tom Nicholson, MIDP
AA&D Executive Director
Tom is AA&D's Executive Director, responsible for its operations and strategic direction. His is appointed Associate in Research at Duke University's Sanford School of Public Policy, at the Duke Center for International Development (DCID).

He worked as a project manager and director at Partners in Health (PIH) for 7 years prior, mostly in the former Soviet Union and Rwanda. His work focused primarily on tuberculosis programs, and on health infrastructure strengthening that is patient centered, flexible, and community-based. Tom was previously an International Development Policy Fellow at Duke University's Sanford School of Public Policy, studied government and post-soviet studies at Indiana University - Bloomington, and was a Visiting Research Fellow at Harvard Medical School. Tom has served as Board President and Executive Director for AA&D for three years.


Salmaan Keshavjee, MD, PhD, ScM
Board Vice President, Senior Clinician
Dr. Keshavjee is Associate Professor of Global Health and Social Medicine at Harvard Medical School, and Director of the Center for the HMS Global Health Delivery - Dubai. He is an anthropologist, medical doctor, and historian. Dr. Keshavjee’s research spans four areas: (1) multi-drug resistant tuberculosis (MDR-TB) treatment and policy; (2) health-sector reform and access to health care and medical technology in transitional societies, with a special focus on countries of the former Soviet Union (Central Asia and the Russian Federation); (3) the role of non-governmental organizations in globalization and the formation of trans-border civil society; and (4) modernity, social institutions, civil society, and health in the Middle East and Central Asia.

In addition to being an active clinician, his methodological expertise is in ethnography, participant-observation, and qualitative interview techniques. Dr. Keshavjee has led efforts in Tomsk, Siberia, which is the first systematic effort to treat MDR-TB in the Russian Federation in accordance with international clinical practice standards. Between 2006 and 2008 he led the effort to treat MDR-TB/HIV co-infection in Lesotho, which was the first of its kind in this Sub-Saharan African country.


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Mercedes Corina Becerra, Sc.D.
AA&D Epidemiologist
Dr. Becerra's research focuses on the treatment and epidemiology of drug-resistant tuberculosis. She also studies the burden of tuberculosis in the child and adult household contacts of patients with drug-resistant tuberculosis and strategies to improve contact investigation, case detection, and treatment in high-risk households. She is an Professor of Global Health and Social Medicine at Harvard Medical School and sits on AA&D's board.


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Michael Wilson, MPH

AA&D Co-Founder and Partnerships Lead

 In his role at AA&D, Michael works to establish and support existing partnerships across AA&D’s global TB, harm-reduction, and refugee health projects and activities. In his current role, Michael is supporting the rollout of a service delivery grant to integrate screening and linkage to care for TB and non-communicable diseases in Durban, South Africa.  

Prior to AA&D, Michael helped to manage a federally-qualified community health center for the homeless in Richmond, Virginia where he led a $1.5 million USD project to expand the center’s provision of primary medical, behavioral health, and substance use therapy programs. Michael holds a Masters in Public Health from UNC’s Gillings School of Global Public Health and a Bachelor of Science in biology from Virginia Military Institute.

Michael serves as Board Treasurer for AA&D.


Aamir Khan, MD, PhD
Senior Partner for Zero TB Initiative
Dr. Khan is the Executive Director of Interactive Research & Development (IRD), a research and service delivery organization committed to improving the health of vulnerable communities across the globe, by combining tried-and-true public health methods with innovative tools. He directs the Indus Hospital TB Control Programme in southern Pakistan, and additionally conducts TB research and provides technical assistance in several countries. Dr Khan is an Associate at the Johns Hopkins Bloomberg School of Public Health and an Adjunct Associate Professor of Global Health at the University of Texas Health Science Center, and a Lecturer in Global Health and Social Medicine at Harvard Medical School. He is an inaugural board member of OpenMRS, a leading open source electronic medical record system. 


Amanda Brumwell
Global Program Officer

Amanda serves as a Global Program Officer for AA&D. Amanda began working with AA&D in 2015 at the initiation of the TB Drug Access Atlas project. She has since has worked with AA&D's partners at REACH in Chennai, India, and served as a Research Fellow at Harvard Medical School’s Department of Global Health and Social Medicine. While managing the research for the TB Drug Access Atlas project, Amanda is also supporting efforts with the Zero TB Cities Initiative, harm reduction and TB-diabetes co-infection projects. She holds a Bachelor of Science in Biology and a Bachelor of the Arts in Global Health from Duke University.

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Raha Khademi

Advisor, Refugee Program

Raha is currently Program Coordinator with Duke University’s Science and Society Initiative, having recently completed her Master's In International Development Policy Fellowship at Duke University. She worked in the tech and pharmaceutical sectors in Iran, and her experience includes undergraduate biology degree and an executive MBA from Tehran Institute of Technology. She is leading AA&D's participation in the Kenan-Biddle Partnership working on improving care and social support for refugee communities in North Carolina.


Dilshad Jaff

Consultant for Complex Emergencies

Dilshad is a medical doctor and Program Coordinator for Solutions for Complex Emergencies, Research, Innovation, and Global Solutions at the Gillings School of Global Public Health, University of North Carolina-Chapel Hill. Dilshad is working with AA&D to explore opportunities to serve communities displaced or traumatized as a result of conflict around the world.  He has worked extensively with the Iraqi Ministry of Health, the International Committee of the Red Cross, and other humanitarian aid groups active in the border areas in Iraq.

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Jade Tso

Data for Action Program Fellow

Jade serves as the Program Fellow, Data for Action for the Zero Tuberculosis Initiative. An aspiring physician interested in integrating care for comorbid diseases and healthcare system strengthening, she is excited to support AA&D’s efforts to leverage local data to improve patient care cascades at partner sites, with a focus along the US/Mexico border and in Lima, Peru. Jade’s previous experience includes conducting research on delivery models for anticoagulants at Harvard Medical School and NCD Synergies, spearheading a community nutrition program in Argentina, and doing community-based research on vector disease control in Costa Rica, as well as currently serving as a member of the National Steering Committee for the grassroots advocacy organization Partners in Health Engage. She attended Duke University, where she graduated with distinction in a major in Biology and minor in Global Health.


Karen Xu

Data for Action Program Intern

Karen is currently a Data for Action Intern supporting AA&D's work on the Zero TB Initiative at the California-Mexico border. In her role, she is working with the California Department of Public Health's Office of Binational Border Health to help facilitate data management and analysis for the Binational Infectious Disease Surveillance (BIDS) Program between California and Mexico. Karen is a Bridge Year Fellow of UNC's Global Gap Year Fellowship program, and she is pursuing a Bachelor of Science in Public Health at UNC's Gillings School of Public Health as well as a Bachelor of Arts in Global Studies.