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.


Kei Alegría-Flores
Adherence and Policy Consultant
Kei serves as a special policy consultant with AA&D, utilizing her knowledge of the institutional and political landscape in Peru as part of her ongoing Ph.D. dissertation work and previous experience consulting with the Pan-American Health Organization (PAHO), PRISMA, and Johns Hopkins. Her work will create a comprehensive stakeholder map and feasibility analysis that will inform a companion narrative outlining recommendations for the next steps to engage partners and work towards a comprehensive, city-wide Zero-TB approach to tackling TB and Diabetes in Lima.

Kei holds a doctorate from the Department of Health Policy and Management at the University of North Carolina, Chapel Hill. Kei has focused her research on innovative approaches to designing and implementing adherence interventions for patients with drug-resistant TB in Peru. She holds a MPH from George Washington University with a concentration in monitoring and evaluation and a Bachelors of Science from the UCLA in microbiology, immunology, and molecular genetics. Kei is based in Durham, NC, but travels to Lima, Boston, and other partner sites as needed.


Julia Bürgi
Technical Consultant, Zero TB Initiative

Julia brings a unique intersection of skills and experience to her role as Technical Consultant for AA&D. She combines her training in transmission control, academic background in architecture, and institutional experience working with the Global Fund’s Access to Funding Department to deliver a biosocial, interdisciplinary approach to her work at multiple sites.

Julia received a certificate from the MASS Design / T.H Chan School of Public Health Airborne Infection Control course that combines programmatic and technical aspects of tuberculosis transmission control in clinical and public settings. She has developed a set of tools that can be tailored and used across the different cities for strategic funding support and infection control measures.


Sadiya Muqueeth
Health Systems Consultant, Zero TB Initiative

Sadiya is a DrPH candidate at Harvard’s T.H. Chan School of Public Health and worked with AA&D as a technical consultant,  contributing to a landscape map and feasibility analysis of scaling up TB detection and treatment in Durban, South Africa. This work helped AA&D's scoping work in Durban, producing more in-depth deliverables that ultimately helped bring in grants that link the TB care platform with diabetes screening, diagnosis, and care in this setting. 

Sadiya holds an MPH from UNC-Chapel Hill with a concentration in Health Behavior and a Bachelors of Arts in Public Health Studies from Johns Hopkins University. Sadiya is based in Baltimore.


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Raha Khademi

Team Leader, Refugee Program

Raha is currently completing 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.