Igbafe was appointed an assistant lecturer at the University of Ife (now
Obafemi Awolowo University) in July 1964 where he taught in the department of history and rose through the academic ladder, becoming lecturer in October 1967 and senior lecturer in October 1971. He was also a member of the university's governing council (elected by Congregation) from November 1970 to November 1972, a senior fellow or deputy hall master at the university's Fajuyi Hall from 1968 to 1969 and hall master, Temporary Hostels (later named Obafemi Awolowo Hall) from 1969 to 1975. In November 1975, he was invited into government in the then
Bendel State of Nigeria under military governor
George Agbazika Innih to serve as the Commissioner for Works and Transport, moving onto the role of Commissioner for Chieftaincy Affairs and Culture in June 1976. On completion of public service in April 1978, he returned to the university and was appointed Professor of History at the
University of Benin. At the University of Benin, he was a member of the governing council twice from 1980 to 1984 and from 1988 to 1992, twice the head of department of history in 1978–1982 and 1986–1989, twice the dean of arts in 1982–1986 and 2000–2001. He was also a member of the
University of Benin Teaching Hospital Management Board (representing the
Vice-Chancellor) from 1980 to 1983 and chairman, University of Benin Press in 1984–1985. He continued to research, write, teach and supervise undergraduate, graduate and doctoral candidates at the university of Benin until December 2006 when he retired at the age 70. Not done with imparting knowledge and doing research he accepted to continue teaching and research work when he was invited to join
Benson Idahosa University as a professor of international studies and diplomacy in October 2007. Away from academics, he made contributions to public service at national level. He was elected a delegate to the Nigerian National Constitutional Conference of 1994–1995 where he was a member of the publications committee while also chairing the committee on power sharing. His other public roles include serving as chairman of the board of directors of the Bendel Broadcasting Service (
Edo Broadcasting Service) from July 1978 to October 1979 and as chairman of the board of directors of the state-owned Ethiope Publishing Corporation from 1991 to 1992.
History As a foremost authority on major aspects of Nigerian history, especially the history of the Benin and Edo people, his works not only laid the groundwork for current and future scholars in the field but continue to be the unrivaled source in Africa's
historiography. Over a period of 40 years he supervised hundreds of undergraduate, post graduate and doctoral research and thesis projects, wrote several books, contributed chapters to books on Nigeria history in addition to articles in several scholarly and peer-reviewed journals published both in Nigeria and around the world. His major contribution to Nigerian history covers the economic impact of British rule in Benin, the biography of
Agho Obaseki of Benin, the socio-economic foundations of the Kingdom of Benin, Nigerian colonial experience and the history of the
Etsako people of Edo state of Nigeria. His most outstanding and seminal works include
Benin under British administration, 1897–1938 : the impact of colonial rule on an African kingdom, and
The nemesis of power: Agho Obaseki and Benin politics, 1897–1956. == Publications ==