His areas of specialization are Applied Linguistics and Sociolinguistics but he has research interests in Applied Linguistics, Language Teaching and Learning, Sociolinguistics, Pragmatics, Critical Discourse Analysis (CDA), Translation, Language Documentation, and Writing Systems/ Orthography. He has attended several national and international conferences and has many papers in learned journals both local and international. He has authored and co-authored some books.
He holds a BA in Linguistics from the University of Nigeria, Nsukka, an MA in Linguistics from the University of Nigeria, and is currently pursuing his studies toward the Ph.D. in Linguistics. He is a member of the Linguistics Association of Nigeria (LAN) and the Business Manager of the Journal of Igbo Studies (JIS) published by the Igbo Studies Association (ISA). He is also a member and Public Relations Officer of the Acoustical Society of Nigeria (ASON) and Editorial Secretary of Journal of the Acoustical Society of Nigeria (JASON). He is also the Associate Editor of NIPO Journal of Humanities and Intellectual Property. He has served in various conferences’ Local Organizing Committees, including International Conference of the Acoustical Society of Nigeria, Igbo Studies Association, Annual Conference of Igbo Studies Association (ISA), Agbogidi 2016 Conference organised by the Centre for Igbo Studies in collaboration with the Faculty of Arts, University of Nigeria, Nsukka. He is the coordinator of Research in Indigenous Writing Systems and Indigenous Languages Education, a University of Nigeria Research Group.
Ndubuisi, I. E. & Ahamefula, N. O. (2016). Broadcasting in Nigerian indigenous languages: The case of Broadcasting Corporation of Abia State (BCA) and Nigerian Television Authority (NTA). JOLAN: Journal of the Linguistic Association of Nigeria Supplement 2 (Language in History & Society), 329-346.
Nwokocha, N. S., & Ahamefula, N. O. (2016). Sociolinguistic implications of language contact: The case of Igbo. JOLAN: Journal of the Linguistic Association of Nigeria Supplement 2 (Language in History & Society), 164-184.
Ekejiuba, G. U. & Ahamefula, N. O. (2016). Optimality theory: An overview. In N. Ozo-Mekuri (Ed.), Multi-disciplinary approaches to the study of African Linguistics: A festschrift for Ahmed H. Amfani (pp. 185-194). Port-Harcourt: Linguistic Association of Nigeria and M & J Grand Orbit Communications Ltd.
Ahamefula, N.O., & Okoye, L. C. (2014). The place of the Igbo language and culture in the era of globalization and acculturation. Nsukka Journal of Humanities, 22(2), 90-99.