Dr Esther Ngadaya, a widely recognized researcher and two times NIMR-Muhimbili best scientists, has worked with the National Institute for Medical Research, Muhimbili Centre as the Principal research scientist for over 15 years. She is a Medical doctor with Post graduate diploma in Health Economics and PhD in Epidemiology. Esther has just completed a four years post doc program studying Tuberculosis and zoonotic diseases. She has published over 35 papers in peer reviewed journals on various subjects. She has done extensive research studies among disadvantaged communities including pastoralist communities. Dr. Esther has extensively designed, won and implemented over 40 high impactful projects. She is conversant in both quantitative and qualitative data collection methods, as well as data management. In addition, she has conducted over 10 high impactful consultancies as the lead consultant with government of Tanzania, UN agencies, Non-governmental organizations, universities and other research organizations. She has supported programs on developing strategies for translation of research into policies; and currently she is the overall multicounty Principal investigator of a big implementation research grant funded by EDCTP aiming at translating research into policy and practice through scaling-up Evidence-Based Multiple focus Integrated Intensified TB Screening in the East Africa region. Currently she is academic supervisor for MSc and PhD students at the University of Dar es Salaam, Muhimbili University of Health and Allied Sciences, London School of Tropical Medicine and University of Bergen in Norway. She has wider experience on conducting both operational and implementation research as well as clinical trials, and project monitoring and evaluation. Dr Esther is the chair of the operational research technical working group in Tanzania under the East Africa Public Health Laboratory Network (EAPHLN) Project funded by the World Bank. Dr. Esther is a leader, teacher, supervisor and mentor.