Dennis joined CSRL in 2010 April as a research assistant working on a grain amaranth research project in Kamuli district.  In 2011, his role changed to administrative officer for CSRL and a research assistant on tomato project in Kamuli. In 2013 he was appointed to work as project specialist in charge of school gardens (service learning). Presently, he serves as the Service Learning School Garden Specialist in charge of planning for school gardens, making work plans, budgets and marketing the produce from the school gardens. He liaises with other key stakeholders like the local government to implement joint projects and planning meetings. He is charged with the task of establishing school gardens as outdoor learning laboratories and demonstrations with a purpose of stimulating interest within the young generation in school and communities to appreciate the role of agriculture in fostering rural development and food security. The school gardens also motivate the young people to pursue agriculture as a business and a sustainable means of livelihood.