He has adequate international exposure and served as a quality assurance expert, accreditation expert, visiting professor, internal/external examiner and assessor of professorial promotion papers in several countries in America, Europe and Africa. He was a Visiting Professor at Southern Illinois University Edwardsville, USA; Foundation Dean of the Faculty of Education at Kampala International University, Dar es Salaam, Tanzania and Professor of Education Law and Policy at the University of Cape Coast, Ghana. He is currently serving as Coordinator for Strategic Planning at the Modibbo Adama University of Technology, Yola, Nigeria.

Martins is a born mentor and teacher who is very skilful in the art of writing academic papers, including proposals for funded research. He has won several research grants. Among such are: Senate Research Grant of the University of Ibadan, US-based ‘John D. & Catherine T. McArthur Foundation’s Research Grant and Nigeria-based Tetfund Research Grant. He has contributed a lot to community development. He assists educational and non-educational organisations with services. He receives and completes all assignments, even when given at very short notice. He also initiated another Non-Governmental Organisation (NGO), Global Education Network (GEN). It is a teacher-educator society. He is married to Dr Beatrice Ayodeji Fabunmi of the University of Ibadan and the University Librarian at Ajayi Crowther University, Oyo town. He is blessed with children.