Josephine Nneamaka Onyeka-Ubaka is an Associate Professor of Time Series Analysis: Forecasting and Control in the Department of Statistics, University of Lagos with extensive experience in quantitative research, data analytics, and applied statistical modeling. She holds a PhD in Statistics and has contributed significantly to evidence-based planning and policy support through statistical research and innovation. Her work focuses on strengthening data systems for governance, transparency, and development, particularly through interdisciplinary collaboration. She has served as Departmental Examination Officer for three years, Chairman, Departmental Accreditation Committee, Department of Statistics, University of Lagos from 2020 to date, and the Departmental Postgraduate Coordinator from 2024 to date. She has supervised over 50 Masters and 80 Undergraduate Projects; co-supervised a PhD Thesis with 5 PhD Thesis near completion. She has authored Multi-Level Statistics: An Academic Companion for Inter-Disciplinary Professional Competence. ISBN 978-978-936-852-5; Probability and Distribution Theories for Professional Competence.  ISBN: 978-978-57920-2-7; and Statistical Inference across Levels. ISBN 978-978-987-803-1. She also published numerous articles in several learned International and Local Journals.