Dr. Vincent Nyongesa Marani
Senior Lecturer
faculty of science,mathematics department
Biography
Dr. Vincent Nyongesa Marani is a Senior Lecturer and Chairman of the Department of Mathematics at Kibabii University, Kenya. He holds a Doctor of Philosophy in Pure Mathematics from Kibabii University (2019), a Master of Science in Pure Mathematics from Masinde Muliro University of Science and Technology (2009), and a Bachelor of Education (Science) in Mathematics from Kenyatta University (1990). His research interests span Group Theory, Coding Theory, Representation Theory, Algebraic Structures, Combinatorial Designs, Cryptographic Applications of Algebra, Quantum Information Theory, and Mathematical Modelling. Dr. Marani has published over 30 peer-reviewed journal articles and has successfully supervised four PhD students and more than ten MSc students to completion. He also serves as an External Supervisor for the MA in Project Planning and Management at the University of Nairobi. Dr. Marani is a member of the International Association of Engineers and has contributed to curriculum development, quality assurance, and academic standards at Kibabii University.
Academic Qualification
.
Bachelor of Education (Science) — Mathematics
| Kenyatta University (KU), Kenya [1986 – 1990]
Master of Science (MSc) in Pure Mathematics
| Masinde Muliro University of Science and Technology (MMUST), Kenya[2007 – 2009]
Doctor of Philosophy (PhD) in Pure Mathematics
| Kibabii University, Kenya[2015 – 2019]
Field of Specialization
Pure Mathematics (Group Theory, Coding Theory, Representation Theory)
Membership of Professional Bodies
Organization
Membership Number
Since
International Association of Engineers (IAENG)
335484
2023
Professional Training and Development
Career Progression
Career Progression
2010 – Present
External/Part-Time Supervisor
University of Nairobi, Kenya
Reporting to: Programme Coordinator
Key Achievements
- Supervision of MA students in Project Planning and Management
2015 – 2020
Tutorial Fellow
Kibabii University, Bungoma, Kenya
Reporting to: Chairman of Department
Key Achievements
- Teaching; Ph
- D research and thesis completion (2019); Publication of research findings
2020 – 2023
Lecturer (Grade 12)
Kibabii University, Bungoma, Kenya
Reporting to: Chairman of Department
Key Achievements
- Teaching and research; Graduate student supervision; Publications in peer
- reviewed journals
2022 – Present
Chairman of Department (COD)
Kibabii University, Bungoma, Kenya
Reporting to: Dean, Faculty of Science
Key Achievements
- Departmental leadership and administration; Curriculum development and review; Quality assurance and academic standards
2023 – Present
Senior Lecturer (Grade 13)
Kibabii University, Bungoma, Kenya
Reporting to: Dean, Faculty of Science
Key Achievements
- Teaching undergraduate and graduate courses; Research and publications; Graduate supervision
Service in University Committees
Service in University Committees
Leadership and Management Roles
Leadership and Management Roles
Dr. Vincent Nyongesa Marani has demonstrated strong leadership and management capabilities throughout his academic career. Since 2022, he has served as the Chairman of Department (COD) for the Department of Mathematics at Kibabii University, where he provides strategic departmental leadership, chairs departmental meetings, oversees curriculum development and review, ensures quality assurance and academic standards, coordinates postgraduate thesis supervision and examination, manages staff performance, and handles budget oversight and resource allocation. In this capacity, he also serves as a Member of the University Senate, contributing to university-wide policy formulation and academic governance. Previously, he served as Pure Mathematics Coordinator and Mathematics Project Coordinator in 2016, overseeing programme coordination and student project management. Additionally, since 2010, he has served as an External/Part-Time Supervisor at the University of Nairobi, Bungoma Sub-Centre, supervising postgraduate students in the MA Project Planning and Management programme.
Service to the Community
Service to the Community
2010
University of Nairobi, Bungoma Sub-Centre
Role:Coordinator, Extra-Mural Programmes
2016 – Present
Bungoma High School, Bungoma, Kenya
Role:chairman of academic committee, Board of Management
Service in National, Regional and International Committees
Service in National, Regional and International Committees
2010 – Present
University of Nairobi, Kenya
External Examiner/Supervisor
2023 – Present
International Association of Engineers (IAENG), International
Member (No. 335484)
2025 – Present
Iconic Research and Engineering Journals (IRE Journals), International
Peer Reviewer
Professional Research Interest
.
Research Interest
Group Theory, Coding Theory, Representation Theory, Algebraic Structures, Combinatorial Designs, Cryptographic Applications of Algebra, Quantum Information Theory, and Mathematical Modelling.
Research Funds Attracted as Collaborating Scientist
Research Funds Attracted as Principal Investigator / Co-PI
2015 - 2019
PhD Research: Modular Representation of Mathieu Group M24 as Linear Codes
Role: Principal InvestigatorAmount: KSh 200,000
Funder / Sponsor:National Research Fund (NRF), Kenya
Funds Attracted for Community Development
Consultancy
Consulting Services
Publications
Peer-Reviewed Journal Articles
Peer-Reviewed Journal Articles
2025
Maina, J.L., & Marani, V. (2025). Enumeration of Binary Linear Codes from the Orthogonal Extension Group O⁺₈(2):2 Using Modular Representation Theory. Iconic Research and Engineering Journals, 9(3), 1025-1029.
Masinde, B.B., Marani, V., & Okoya, M.O. (2025). Restructuring Coupled Nonlinear Klein-Gordon Equations to Advection-Coupled Systems for Oceanographic Applications. Iconic Research and Engineering Journals, 9(2), 1108-1113.
Nyongesa, M.K., Marani, V., & Okoya, M.O. (2025). Finite Difference Discretization of Third-Order Advection Water Seepage Equation in Earth Dams. Iconic Research and Engineering Journals, 9(2), 1-5.
Muhati, N.L., Marani, V., & Simwa, R. (2025). Comparative Performance Analysis of Bayesian Hierarchical Models Versus Classical Statistical Approaches in Predicting Breast Cancer Treatment Outcomes: Evidence from Kenyan Healthcare Settings. Iconic Research and Engineering Journals, 9(1).
Muhati, N.L., Simwa, R., & Marani, V. (2025). Bayesian Hierarchical Modeling Framework for Breast Cancer Treatment Outcome Prediction: Integrating Clinical, Pathological, and Treatment Variables. Iconic Research and Engineering Journals, 9(1), 237-242.
Barasa, J., Anjetsa, A.M., & Marani, V. (2025). Budget Reduction Strategies and Firm Profitability: Evidence from Private Sugar Manufacturing Firms in Western Kenya. Iconic Research and Engineering Journals, 9(1), 1099-1103.
Okombo, M.I., Ojiema, M.O., Kivunge, B., & Marani, V. (2025). A Characterization of Classes of Linear Ternary Codes over the Galois Field GF(3). African Scientific Annual Review, 2(1), 63-83.
Okombo, M.I., Ojiema, M.O., Kivunge, B., & Marani, V. (2025). Designs and Lattices from Classes of Cyclic Linear Ternary Codes over GF(3). SCIENCE MUNDI, 5(1), 115-136.
2024
Sikolia, M.J., Chikamai, L., & Marani, V. (2024). Conjugacy Classes of the Group Extension 2⁷: G₂(2). Iconic Research and Engineering Journals, 8(2), 12-17.
Satia, W.A., Marani, V.N., & Aywa, S. (2024). Nonstandard Analysis of the Koch Snowflake Fractal Curve: Insights into Self-Similarity and Scaling Properties. Iconic Research and Engineering Journals, 8(2), 155-161.
Sirengo, C.W., Marani, V.N., & Matuya, J. (2024). Mathematical Properties and Characteristics of Pauli Unitary Operators in Quantum Information Theory. Iconic Research and Engineering Journals, 8(2), 311-316.
Khaemba, S.W., Chikamai, L.W., & Marani, V.N. (2024). Conjugacy Classes of the Maximal Subgroup 2⁸: G₂(2) in O⁺₁₀(2). Iconic Research and Engineering Journals, 8(2), 406-411.
Wafula, W.C., Chikamai, L.W., & Marani, V.N. (2024). Conjugacy Classes of the Split Extension 2⁸: U₄(2). Iconic Research and Engineering Journals, 8(2), 736-741.
Masiga, E., Chikamai, L., & Marani, V.N. (2024). Binary Linear Codes and Designs from the Orthogonal Group O⁻₈(2). Iconic Research and Engineering Journals, 8(1), 268-272.
Mmasi, E., Ojiema, M.O., & Marani, V. (2024). Graph Numbers and Distance Related Parameters of Zero Divisor Graphs. SCIENCE MUNDI, 4(2), 81-95.
Mmasi, E., Ojiema, M.O., & Marani, V. (2024). Binding Number Bounds of Zero Divisor Graphs of Classes of Completely Primary Finite Rings. African Scientific Annual Review, 1(Mathematics 1), 127-153.
2023
Wanjala, V., Matuya, J.W., Njuguna, E., & Marani, V. (2023). On Skew Quasi-P-Class (Q) Operators. Iconic Research and Engineering Journals.
Wanjala, P.M., & Marani, V.N. (2023). Investigating the Effect of Representing the Mathieu Group M₂₄ on Its Subgroup and Applications. Iconic Research and Engineering Journals, 6(12), 428-431.
Maina, J.L., Matuya, J.W., Njuguna, E., & Marani, V.N. (2023). Classification of Some Internal Structures of Degree 120 Related to a Group of Extension O⁺₈(2):2. Iconic Research and Engineering Journals, 7(2), 626-629.
2022
Machuma, R.M., Marani, V.N., & Oduor, M.O. (2022). Solving Nonlinear Ordinary Differential Equation of Electric Power Flow Model Using Lie Symmetry Method. Iconic Research and Engineering Journals, 6(4), 23-27.
Marani, V.N., Simiyu, D.O., Abonyo, B., & Oduor, M.O. (2022). Analysis of Malaria Coupled Transmission Equation Using Lie Groups Method. Iconic Research and Engineering Journals, 5(7), 317-328.
2021
Marani, V.N. (2021). A Self-Dual and Doubly Even Code Related to Mathieu Group M₂₄. Iconic Research and Engineering Journals, 4(9), 46-47.
Marani, V.N. (2021). An Irreducible and Doubly Even Code of Degree 23 Related to Mathieu Group M₂₃. Iconic Research and Engineering Journals.
Omari, S., Marani, V., & Oduor, M. (2021). Analysis of Generalised Boussinesq Coupled Equations Using Lie Symmetry. Iconic Research and Engineering Journals.
Wafula, N.K., Kwach, B.O., & Marani, V.N. (2021). Mathematical Modelling and Optimal Controls for Controlling Pneumonia-HIV Co-Infection. The International Journal of Innovative Research and Development, 10(1), 138-…
Wanjala, V., Marani, V.N., & Mulambula, A. (2021). On N Quasi (p+k)-D-Operator Operators. Iconic Research and Engineering Journals, 5(3), 168-169.
Wanjala, V., Mulambula, A., & Marani, V.N. (2021). On (n+k, m)-D-Operator Operators. Iconic Research and Engineering Journals, 5(3), 159-161.
2016
Cedric, N.W., Marani, V.N., Chikamai, L.W., & Mulambula, A. (2016). Suborbital Graphs and their Properties for Ordered Triples in Aₙ (n = 5, 6, 7) Through Rank and Subdegree Determination. International Journal of Engineering and Mathematics, 9(1), 18-23.
Other Publications
2025
2024
2023
2022
2021
2016
Books
Books
Book Chapters
Book Chapters
Conference
Conference
2017
Dr. Vincent Nyongesa Marani presented a paper during the 2nd Interdisciplinary International Scientific Conference held on 14th – 15th June 2017 at Kibabii University, Kenya.
Learning Modules
Innovations, Prototypes & Commercialization
.
Dr. Vincent Nyongesa Marani developed an enhanced algorithm for generating G-Invariant Codes (submodules of a permutation module), which significantly improves computational efficiency for coding theory research applications.