2021: Member, External Reference Group (ERG) UNICEF Kenya: Maternal Child Health and Nutrition Program (MCNP-II) mid-term evaluation activity.
2020: IPC (Intergrated Food Security Phase Classification) Acute Malnutrition Analyst Certification (2010). IPC Global.
2017: Basic security in the field II online course. UNDSS (United Nations Department of Security and Safety).
2017: Advanced security in the field on line course. UNDSS (United Nations Department of Security and Safety).
2014-2019: External examiner, Makerere University School of Public Health, MPH-Nutrition Dissertations.
2012: DHS Measure research fellow, trained in advanced data analysis of nationwide KDHS data using STATA. ICF Macro..
2009 - Present: Chairman – Kenya Bureau of Standards (KEBS) Nutrition and Foods for Special Dietary Use (NFSDU) Technical Committee. Developing food standards on infants and young children, representing Kenya in EAC NFSDU standards development meetings and CODEX meetings on NFSDU.