Our Team



Tom Nicholson, MIDP
AA&D Executive Director
Tom is AA&D's first director, and is responsible for its launch and operations. Tom is currently Head of Program Development for a global health research partnership between Duke and Harvard Universities, and 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.


Salmaan Keshavjee, MD, PhD, ScM
Vice President and Senior Clinical Lead
Dr. Keshavjee 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.


Michael Wilson, MPH
AA&D Partnerships Lead

Michael works to establish and maintain new and existing partnership across ZeroTB Initiative sites and with U.S. academic institutions. Over the last two years, he has been leading a Global Fund sponsored effort to map all existing initiative that are addressing supply and access challenges to MDR-TB therapies. Michael oversees a team of interns from Duke University and UNC’s Eshelman School of Pharmacy that are working on this project. Michael is also helping to lead AA&D’s efforts to expand access to naloxone, a life-saving antidote that reverses the effects of an opioid overdose. Michael’s experience in community health and international development span over 8 years from working in healthcare for the homeless in Richmond, Virginia to scale-up of rural pediatric healthcare programs in Vietnam, and policy analysis and health promotion for opioid users in the southeast U.S. Michael is a co-founder of AA&D and currently serves as a volunteer for the North Carolina Harm Reduction Coalition and board chair for New Hope Haiti Mission, a community development NGO working in Santo, Haiti. Michael holds a Bachelor’s of Science in Biology from Virginia Military Institute and an MPH from University of North Carolina where he concentrated his studies in health behavior and international development policy. Michael is based in Durham, NC but travels regularly to South Africa and other partner sites as needed.


Aamir Khan, MD, PhD
Senior Partner for Zero TB Cities Project
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
Program Coordinator

Amanda serves as a Program Coordinator 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 assisting efforts with the Zero TB Cities Initiative, harm reduction and TB-diabetes co-infection. She holds a Bachelor of Science in Biology and a Bachelor of the Arts in Global Health from Duke University.


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 is helping to identify opportunities to apply evidence-based infection control strategies across Zero TB sites by developing a set of tools that can be tailored and used across the different cities.


Kei Alegría-Flores
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 is currently in her last year of doctoral work in 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.


Aaron Plourde
Aaron serves as Media Officer for AA&D. He brings more than 11 years of experience working in communications, including implementing and managing complex projects for non-profit and municipal entities. Aaron’s experience includes editing and reporting for regional newspapers in New England, serving as Director of Communications for North Carolina School of Science and Math, as well as heading internal communications for the City of Durham.

At AA&D, he is responsible for driving and coordinating Zero TB Initiative and AA&D global media campaigns, building Zero TB’s data sharing infrastructure, news and social media content and strategy, and providing technical IT development to support core AA&D and Zero TB staff who are using technology to drive better health outcomes.

Aaron holds a Bachelors of Arts in Journalism from the University of Maine and is a recent graduate of the Iron Yard coding school.


Preeti Prabhu
A recent graduate of Duke’s Master’s of International Development Policy (MIDP) program in statistics and development economics, and global runner up for the Hult Social Innovation Prize 2016, Preeti serves as Innovation and Program Strategist for AA&D.  Preeti brings her knowledge and expertise to AA&D from her time in Mumbai as Trade Commissioner and Public Affairs Officer for DFATD Canada from 2011-2014, and her years working in the social and health sectors in India with her MSW. In the spring of 2016, Preeti and a Duke-based interdisciplinary team designed and developed an award-winning mobile application that links vulnerable people in India with jobs in the informal sector in urban slums. 

Preeti works with our Boston and Durham teams on social bond development for the Zero TB Initiative, grant proposal development, and financial planning. Additionally, she coordinates the creation of a global planning document to address the looming threat of tuberculosis (TB)-Diabetes co-epidemic at our affiliated sites in South Africa, India, Russia, and Peru.

In addition to her MIDP from Duke’s Sanford School of Public Policy, Preeti holds an MA in Social Work from Tata Institute of Social Sciences in Mumbai and a Bachelors of Science in Biology from University of Pune in Pune, India.


Sadiya Muqueeth
Sadiya is a DrPH candidate at Harvard’s T.H. Chan School of Public Health and works with AA&D as a technical lead. Her primary role is to create a landscape map and feasibility analysis of scaling up TB detection and treatment in Durban, South Africa. Sadiya is rounding out AA&D's scoping work in Durban, producing more in-depth deliverables that ultimately help 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 Boston, but travels to Durban and Cape Town for interviews and meetings with relevant stakeholders.


Amanda Brumwell
Amanda is earning a co-major in Biology and Global Health from Duke University. She is interested in the determinants of health outcomes and international development and hopes to continue her studies in these fields. She has been involved in AA&D's MDR-TB Mapping Project since 2015 and has assisted this project's research and data analysis. Amanda has worked with AA&D's partners at REACH in Chennai, India, where she assisted this organization with their operational research, as well as at HMS in Boston, where she conducted a literature review on TB patients' treatment literacy. 


Elizabeth Tsui
Elizabeth is an undergraduate research assistant for AA&D, responsible for desk research, interviews, and summaries for various AA&D projects. She is from Goldsboro, NC and is currently a senior at Duke University majoring in biology with a minor in chemistry and Asian and Middle Eastern Studies. Through her experience with AA&D, she has learned a great deal about tuberculosis and global challenges in health and is planning on pursuing an MD/PhD to work towards healthcare that is more compassionate, innovative, and understanding of the patient as a whole.

Casey Wells, Pharm.D. candidate 2020
Casey is a first year Pharm.D. candidate at the UNC Eshelman School of Pharmacy. She is from Greensboro, North Carolina and graduated from Furman University in Greenville, SC in 2016 with a Bachelor of Science in Health Science. Casey developed a passion for global health during her time at Furman where she interacted with patients from different cultures while on medical mission trips. When not studying or working as a certified pharmacy technician, Casey enjoys being outdoors and traveling. Casey joined AA&D’s team in December, 2016 and will be working primarily on the Global Fund/Eli Lilly-supported second-line drug mapping project.

Chelsea Sumner, Pharm.D. candidate, 2019
Chelsea is a second year doctor of pharmacy candidate at the UNC Eshelman School of Pharmacy. She hails from the capital city, Raleigh, NC and completed a BS in Clinical Research with minors in Biology and Spanish from Campbell University. When not studying for school or working as a technician for CVS, Chelsea enjoys traveling to visit friends across and out of the country and eating great food. Her attraction to pharmacy and global health stems from her participation in a program for academically gifted high school students with interest in STEM which allowed her to delve into pharmacy and travel to Beijing as an advocate for health and science. Chelsea joined AA&D’s team in December, 2016 and will be working primarily on the Global Fund/Eli Lilly-supported second-line drug mapping project.

Mary Grace Bouldin, Pharm.D. candidate, 2019
Mary Grace is a second-year student pharmacist at the UNC Eshelman School of Pharmacy in Chapel Hill, NC. She is a 2015 graduate of Emory & Henry College in Emory, VA, with a B.S. in chemistry and minor in biology. She is a native of Martinsville, VA. Mary Grace will draw upon previous experience working to improve Naloxone access across pharmacies in Wilmington, North Carolina to identify gaps and opportunities for expanding access of this life-saving drug for people across the Southeast U.S. Mary Grace will work alongside team members from AA&D and their partners at the North Carolina Harm Reduction Coalition and the Chicago Recovery Alliance to identify opportunities to engage with pharmacists across the state of North Carolina and beyond to expand harm reduction strategies for opioid users across the state and beyond.