2017–present Member International Biometric Society (IBS)
2012–present Member Kenya Institute of Management (KIM)
2009–present Member of the Clinical-based ART Diagnostic Evaluation (CLADE): Walter Reed Project (WRP) and Kenya Medical Research Institute (Kemri), Kenya
2007–present Member of the AMPATH Data Analysis Team (ADAT)
2008–present Member of the AMPATH Research Committee
1998–2012 Member of the Institutional Research & Ethics Committee (IREC)