University of Copenhagen

Professor of Law, Stellenbosch University

FAO

National University "Odessa Law Academy"

Lecture, Universiti Teknologi MARA, Shah Alam

Professor, Department of Public Law, Ahmadu Bello University, Zaria

School of Law, SOAS University of London

Professor of International Law /UEPB

Professor of Practice, Washington and Lee University School of Law

Kampala International University