Director of Health, Social Welfare and Nutrition Services (DHSWNS) at the President's Office - Regional Administration and Local Government Authorities (PO-RALG). His focus has been on sustainable health financing and improving maternal, newborn, and child health in resource-limited settings, particularly at the primary healthcare level. He is a member of the International Steering Committee which is tracking Maternal and New-born Health indicators at a global level. He has more than 80 articles published in the international peer-reviewed journal and edited a Primary Health Care Book on Leadership and Governance.

Physician Scientist in the Department of Haematology and Blood Transfusion at Muhimbili University of Health and Allied Sciences (MUHAS) and Muhimbili National Hospital, where Tanzania established one of the world’s largest single-center study cohorts for sickle cell disease. She serves as Principal Investigator at SickleInAfrica Clinical Coordinating Center (CCC). She is a fellow of the Tanzania Academy of Sciences, received the 2011 Royal Society Africa Award and is working on the application of genomic research to improve health and find a cure for sickle cell disease. She is also a Provost Visiting Professor at Imperial College London, UK.