2010:  Appointed University Professor of Global Letters, University of Wisconsin, Eau Claire.

1994:  Appointed Distinguished Professor of Cultural Diversity and Professor of English, University of Wisconsin, Eau Claire.

1992 - 1993: Associate Professor of English and Africana Studies (vg.), Vassar College, Poughkeepsie, New York.

1990 - 1993: Associate Professor of English & Multicultural Literary Studies, Montclair State University, Montclair, New Jersey.

1989 - 1990: Martin Luther King, Jr. Caesar Chavez, Rosa Parks Distinguished Writer and Associate Professor of Africana Studies, College of Lifelong Learning/Humanities, Wayne State University, Detroit, Michigan.

1988 - 89: Acting President, Association of Nigerian Authors (ANA).

1987 - 88: Vice President, Association of Nigerian Authors (ANA), Nigeria.

1988 - 89:  Head, Performing Arts Unit, Imo State Univ., Okigwe,  Nigeria.

1986 - 89:  Associate Professor of English, & Head of Performing Arts Program, Centre for Igbo Studies, Imo (now Abia) State University, Nigeria.

1982-1987:  Assistant Professor of English and Head, Performing Arts Program, Federal University of Technology, Owerri, Nigeria.

1980-1981:  Assistant Lecturer, Literature in English Department, University of Ife, Nigeria.

1979- 1980:  Graduate Assistant, Literature in English Department, University of Ife, Nigeria.