He has a broad research interest in Applied Micro- Econometrics, Environmental resources Economics, Climate Change, Economics of Water Resources, Agriculture and Development Economics. He has worked on collaborative research with CIMMYT (International Maize and Wheat Improvement Center) scientists. He recently concluded a collaborative research on PRISE (Pathways to resilience in semi-Arid Economies) Project 3 – Climate Change Impacts, Adaptation, Opportunities for Businesses and Sectors.
He is currently involved on a project on Leveraging remote sensing and ICT to facilitate yield maximization, structured trading and inclusive value chain participation for smallholder staple grain farmers in Kenya. The project is funded by Innovate UK and is being undertaken by a consortium of institutions. Simon has worked extensively on topic such as Climate change adaptation and mitigation, food security, gender issues, Agricultural technology adoption, Applied Micro- Econometrics, Economics of Water Resources, Livestock Economics, Corporate Environmental performance, and post-harvest losses. Prof. Wagura has great interest in agribusiness and post-harvest management.
Wagura has engaged in coaching business entrepreneurs in the livestock value chain especially feedlot entrepreneurs in Taita Taveta, Garissa and Laikipia Counties, and poultry SMEs in Kiambu and Nairobi.