2023 onward:Lecturer at PUR, Faculty of Education (FED) from 2023-Update.
                              2022-2012: an Assistant Lecturer at PUR, Faculty of Education (FED) 
                              2012-2016: Coordinator of the Protestant University of Rwanda (PUR) Karongi Campus
                              2008-2012: head teacher of secondary school for 4 years
                              2003-2007: Biology Teacher at Advanced Levels of Secondary Schools for 4years in Rwanda
                         
                         
                            
                                - 1. Bizimana, E., Mutangana, D., & Mwesigye, A. (2022). Performance Analysis of Biology Education under the Implementation of Lower Secondary School Biology- Competency-Based Curriculum: Policy Implications. Interdisciplinary Journal of Environmental and Science Education, 18(1), e2259. https://doi.org/10.21601/ijese/11331
 
                                - 2. Bizimana, E., Mutangana, D., & Mwesigye, A. (2022). Fostering Students’ Retention in Photosynthesis Using Concept Mapping and Cooperative Mastery Learning Instructional Strategies. European Journal of Educational Research, 11(1), 103-116. https://doi.org/10.12973/eu-jer.11.1.107
 
                                - 3. Bizimana, E., Mutangana, D., & Mwesigye, A. (2022). Effects of Concept Mapping and Cooperative Mastery Learning Strategies on Students’ Achievement in Photosynthesis and Attitudes towards Instructional Strategies. International Journal of Learning, Teaching and Educational Research, 21(2), 107-132. https://www.ijlter.org/index.php/ijlter/article/view/4697/pdf
 
                                - 4. Bizimana, E., Mutangana, D., & Mwesigye, A. (2022). Improving Secondary Students’ Cognitive Process in Biology Using Concept Mapping and Cooperative Mastery Learning Strategies. International Journal of Evaluation and Research in Education (IJERE). https://ijere.iaescore.com/index.php/IJERE/article/view/22454
 
                                - 5. Bizimana E., (2014). Analysis of Factors Affecting Girls’ Access to Secondary Education. Case of Huye district, Rwanda. A paper published in PUR (2014) Family, Gender and Community Development, PUR Publication Series number 5, ISBN: 978-2-9543193-3-8
 
                                - 6. Dufitumukiza, A. Bizimana E., Munyantwali, E. (2016). Students Care in Rwandan Secondary Schools. Critical Analysis and Challenges. Case of Selected Secondary Schools in Huye and Nyamagabe District. A paper published in PUR (2016) Managing Conflicts and violence in families and communities: Factors contributing to failure and successes in Rwandan traditional and modern approaches, PUR Publication Series No 7, ISBN: 978-2-9543193-1-8
 
                            
                             
                        
                            
                                - 1. 2022 onward;currently a focal person of Resilience of schools through Digitalization – A reaction to COVID 19 – ReDiCo at PUR
 
                            
                        
                        
                        
                            - 1. science education
 
                            - 2. Innovative teaching strategies
 
                            - 3. learning environment