Prof. Okigbo is a professor emeritus of strategic communication at North Dakota State University (USA), where he conducts research on media coverage of elections, strategic fundraising in higher education, and the processes for leadership development and social change.
He had been Registrar of the Advertising Practitioners Council of Nigeria (APCON), Vice President of ORBICOM, The UNESCO Think Tank at the University of Quebec, Montréal, Canada, and the Executive Coordinator of the African Council for Communication Education (ACCE) at the University of Nairobi, Kenya.
Prof. Okigbo had taught full-time or part-time at the University of Nigeria (UNN), University of Lagos (UNILAG), Daystar University, Nairobi, and the University of Nairobi. He has been a consultant and temporary adviser to UNAIDS, UNICEF, UNESCO, WHO, Ford Foundation, and Friedrich Ebert Stiftung.
The Don has published seven books on advertising and public relations, dev com, strategic health communication, public affairs reporting, and market.