YUSSUF MOHAMED SHOBAI2026-06-042024-01https://repository.mua.ac.ke/handle/123456789/2302Global demand for humanitarian aid has reached unprecedented levels and increases alarmingly every year. This increase can be attributed to a variety of factors, including climate change, conflict, and human activities. Kenya's most affected people are those living in arid and semiarid regions, which make up about 80% of the country and an estimated 30% of the population. Floods and droughts severely impact the region, mainly due to inadequate land cover and lack of infrastructure due to years of marginalization. Humanitarian organizations play an important role in providing essential services to this group of people. Humanitarian organizations face the challenge of responding effectively to people's problems with limited resources. The purpose of this research study was to investigate the impact of supply chain optimization on service delivery in selected humanitarian organizations in Kenya. The purpose of this study was to investigate the impact of inventory management, strategic sourcing, technology, and transportation and distribution on service delivery in selected humanitarian organizations in Kenya. A descriptive research design was selected for this study. The study population consists of his 160 Red Cross employees. A sample of 64 people was selected using a stratified random sampling method. Data collection tools include a questionnaire, and data are presented using graphs and tables to enhance interpretation and analysis.Working Paper