Philip Welkhoff has led the foundation’s malaria program since 2018 and has concurrently led the Institute for Disease Modeling (IDM) since 2021. Before becoming director of the malaria program, Philip served as director of research at IDM before it became part of the foundation. In that role, he helped to develop computer simulations of the transmission dynamics of malaria, polio, and other diseases. This work supported public health professionals and scientists in planning eradication strategies. Philip also served as a pro bono external advisor to various Gates Foundation programs, including Agricultural Development and Water, Sanitation & Hygiene. Philip earned dual undergraduate degrees in mathematics and aerospace engineering at the University of Texas at Austin and holds a PhD in applied and computational mathematics from Princeton University. Philip is a 2004 Hertz Fellow and received a Special Achievement by a Hertz Fellow Award in 2009 for his work on malaria modeling.

Dr. David Walton was appointed by President Biden to lead the US President’s Malaria Initiative (PMI) in 2022. Dr. Walton brings a wealth of experience in global health, including working on the ground in Haiti to fight cholera and on the front lines of the Ebola outbreak in Sierra Leone. Dr. Walton has a proven track record of building local partnerships to expand access to care, and providing primary health services to the hardest to reach populations. Prior to joining PMI, Dr. Walton served as the Senior Director of Global Health at the Butterfly Network, Inc., co-founder of Build Health International, and 15 years with Partners In Health. Dr. Walton was previously an Associate Physician in the Division of Global Health Equity at Brigham and Women’s Hospital and Instructor in Medicine at Harvard Medical School. He holds an MD from Harvard Medical School, an MPH from the Harvard School of Public Health, and trained in Internal Medicine at Brigham and Women’s Hospital as the first Doris and Howard Hiatt Global Health Equity resident.

Martha Lungu is a 17-year Rotary Club of Ndola member, Past President, and Past Assistant Governor for District 9210. She is currently a member of The Rotary Foundation Cadre Of Technical Advisors in Auditing and a Rotary Positive Peace Activator. Professionally, Martha is a Chartered Accountant, a Fellow Member of the Association of Certified Chartered Accountants (ACCA), and an Associate Member for the Zambia Institute of Chartered Accountants (ZICA). Martha is the Executive Director for Malaria Partners Zambia and previously worked as Regional Manager for a non-deposit-taking financial institution (Meanwood Finance Corporation Ltd) for seven years. Martha is an End Malaria Council member and the Chairperson for the Partners for a Malaria-Free Zambia Implementing Committee. Martha was named Rotarian of the Year 2023/2024 for District 9210, comprising Zambia, Mozambique, Malawi, and Zimbabwe.

Dr. Hamainza is a Zambian national with a PhD in Tropical Medicine and extensive experience in the field of malaria elimination. He has held verious positions in the National Malaria Elimination Centre and the Ministry of Health in zambia. His work includes a wide range if topics related to malaria control and research, including integrated malaria control, community case management a, malaria treatment, monitoring and evaluation, vector control, and the major impact of interventions. he ha collaborated with organizations such as the Global Fund, Presidents Malaria Initiative, World Health Organization, Partners for Malaria Free Zambia, Gates Foundation, PATH, JC Flowers Foundation, Tropical Disease Research Centre and African Leaders Malria Alliance on program evaluation, strategic planning and cross-border collaborations in malaria control. Dr. Hamainza has attended numerous conferences, workshops, trainings and meetings related to malaria control and elimination and has presented papers and engaged with carious partners and donors on malaria programming support. Overall, his work demonstrates s strong commitment to malaria control and research in Zambia and contributes to the global efforts to combat malaria.