John Bosco Lamoris Okulllo is an Associate Professor in the Department of Forestry, Biodiversity and Tourism, College of Agricultural and Environmental Sciences (CAES), Makerere University Kampala (MAK), Uganda. Assoc. Prof. Okullo  holds a PhD (Plant Reproduction and Management of Agroforestry Parklands) from the University of Wales, Bangor, UK (2004); MSc. Agriculture (Agroforestry) and BSc. Forestry from Makerere University in 1997 and 1993 respectively.
He is a Fellow of Uganda National Academy of Science (UNAS) and has been a Senator representing the School of Forestry, Environmental & Geographical Sciences in MAK Senate (2011-18). Assoc. Prof. Okullo had also been a staff Representative for CAES to Makerere University Academic Staff Association (MUASA) (2017-2019). Previously he Chaired Academic and Research office of MUASA (2015-2017). He was also the SENTINEL Representative of the Faculty of Forestry and Nature Conservation to the Makerere University Gender Mainstreaming Division (2006 to 2011). 
Before Joining Makerere University, he worked as Assistant Research Director of the Shea Project for Local Conservation and Development in north-eastern Uganda. As an Assistant Research Director, his duties included: supervising staff of the on-farm biodiversity component, undertaking environmental/nursery management education, selection/seed collection of locally appropriate tree species, developing school curricula on environment education and nursery management, germplasm selection/propagation of shea trees including participatory studies on indigenous plant utilization and indigenous knowledge on relationships between shea yields and phenology including participating in demonstrations and on-farm trials. 
His academic and research interests are: Improved Management of Agroforestry farming systems, Sustainable management of Dryland Resources/Orphan trees, Climatic Adaptation studies, Ethnobotany, Utilization and Commercialization of Indigenous fruit tree, Tree Breeding & Improvement, Molecular Genetics, Mainstreaming Gender in Natural Resources Management, Conservation of On-farm Biodiversity and Genetic Resources. 
Assoc. Prof. Okullo has a wealth of research experiences. He has won grants and conducted research on: Population Structure and Reproductive Characteristics of Vitellaria paradoxa (The Shea Butter Tree) in Uganda (funded by European Union INCO_Project); Potential of domesticating indigenous fruit trees for income & household food security in Northern Uganda (funded by NURRU); On-farm conservation strategies, post-harvest handling & nutritional value of the Shea tree & Shea products in Uganda (Carnegie-Makerere Competitive Research funds); Enhancing utilisation and conservation of East African sandalwood (Osyris lanceolata) in Uganda (Makerere University Research and Innovations Fund (RIF), Unlocking the commercial potential of Canarium schweinfurthi indigenous fruits for improved livelihoods in Central Uganda (Makerere University Research and Innovations Fund (RIF); Upscaling the Production and  Use of Ugandan Shea Butter (Vitellaria paradoxa ) Oil in Food Applications (Unganda National Science, Technology and Innovation Programme (NSTIP); Unlocking The Potential of Indigenous Fruit Trees for Increased Food Security, Nutritional Health, Cash Income, Farm Diversity and Environmental Resilience in Uganda egional University Forum (Regional University Forum-RUFORUM); Enhancing adaptation to climate change effects through optimized production of selected indigenous fruit trees for food and nutrition security in the Lake Victoria Basin, Eastern Africa (VicRes-SIDA); Adapting vegetative propagation techniques to the shea tree (Vitellaria paradoxa ssp. nilotica) in Uganda (Regional University Forum-RUFORUM), Innovative Tools and Techniques for sustainable Use of the Shea Tree (Karite) in Sudano-Sahelian zone–INNOVKAR-EU INCO); Ecology, Ethnobotany & Conservation of Vitellaria paradoxa ssp. nilotica in the Wooded Farmed Parklands of Uganda & Ethiopia (AFORNET); Assessment of Population Structure, Regeneration Capacity and Phenology of Ficalhoa laurifolia in Tanzania/Uganda Montane Forests (AFORNET).