Doctor Tom Ouna is a Lecturer in the School of Education and Social Sciences at Kaaratina University where he has been a faculty member since 2017. He has been the coordinator of Geography Courses in  between 2020–2023 and specializes in both Physical Geography and Geotechnologies of GIS, Remote Sensing and Cartography. Tom completed his Ph.D. (Geography), Masters in Environmental Planning and Management and Bachelor of Education at Nairobi University. His research interests lie in modelling environmental and climatic changes and planning and management of adoption and mitigation measures. He has collaborated actively with researchers in several other disciplines of livestock, agriculture, forestry and water. He has also worked with some regional and international organizations in Eastern Africa. 

Dr. Ouna  serves in a panel of experts for a Kenya government World-Bank project . He is a registered and practicing Lead expert in Environmental  Impact Assessment and Audit with National Environmental Management Authority where he serves in its Technical Committees. Tom has long-term experience in offering GIS and Remote Sensing Trainings and management of donor-funded projects.

Local Perceptions of Droughts and Conflicts in Laikipia West-sub County, Kenya. Joyce W. Mwangi, Peter N. Kamau and Tom O. Ouna, 2020. Journal of Arts and Humanities. (https://theartsjournal.org/index.php/site/article/view/2012)

Assessing the influence of rainfall and Temperature on Adoption of Organic Farming in Laikipia West-sub County, Kenya. Paul M. Murage, Peter N. Kamau and Tom O. Ouna, 2020. Journal of Arts and Humanities.  (https://www.theartsjournal.org/index.php/site/article/view/2074).

Assessment of Tomato Farming Systems and Rainfall Variability Related Implications in Semi-Arid Regions of Central Kenya, 2020. Joseph M. Karienye, Dr. Tom Ouna, Dr. Hellen Kamiri. Journal of Arts and Humanities. https://socialevolutionandhistory.com/article/view/Abstract-1948.php

Effects of Land Use Change on Banana Production:A Case Study of Imenti South Sub-County of Meru County in Kenya. Nyamamba, Kevin A.; Ouna, Tom O.; Kamiri, Hellen; Pane, Erwin (Britain International of Exact Sciences Journal, 2020-09).  https://karuspace.karu.ac.ke/handle/20.500.12092/1797

GIS Analysis of Physical Accessibility to Food Markets in Tharaka Region of Kenya. Kibetu D. K., Huho J.M. and Ouna T.O. Review of Agricultural and Applied Economics (2020). https://www.researchgate.net/profile/Tom-Ouna-2

Spatial Distribution and Patterns of Market Usage in Semi-Arid Tharaka sub-County: Implications for Household and Food Insecurity.Kibetu D. K., Huho J.M. and Ouna T.O. Natural Resources and Sustainable Deveopment (2021) https://www.researchgate.net/profile/Tom-Ouna-2.

Determinants for Marketing of Grain Food Crops by Households Across Rural Livelihood Zones in Tharaka Constituency, Kenya. Kibetu D. K., Huho J.M. and Ouna T.O. Natural Resources and Sustainable Deveopment (2021). https://www.researchgate.net/profile/Tom-Ouna-2.