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People - Tanzania

Board of Directors


Our Tanzania office employs individuals with expertise in health information systems, monitoring and evaluation, surveillance, business development and data science.

Christen Said

In-country program manager

Christen Said works to build local capacity to improve the quality and use of routine monitoring and evaluation data and has collaborated with local institutions to conduct integrated behavioral surveillance surveys (IBBS) among most-at-risk populations. Said played a leading role in the development and launch of a master's degree program in Health Monitoring and Evaluation at a Tanzanian university and continues to support university activities, including the development and implementation of M&E and data management related short courses and a regional M&E journal. In addition, Said has been involved in triangulation projects, data quality assessments, the development and roll out of national data quality assessment guidelines, designing research protocols, data analysis, and dissemination of research findings.

Joel Ndayongeje

Program Manager - Surveillance

Ndayongeje provides ongoing support and technical expertise for a variety of surveillance and data use activities, including bio-behavioral surveys among key populations, as well as national and regional data triangulation projects. He coordinates implementation and oversees a project that is mapping the use of injection drugs throughout Tanzania.

Prior to joining UC San Francisco, Ndayongeje worked for 16 years in the Ministry of Health and Social Welfare, National AIDS Control Programme, where he was responsible for developing protocols for HIV surveillance surveys, developing monitoring systems for HIV/AIDS programs and analyzing monitoring and evaluation and surveillance data to produce descriptive and detailed reports.