Hon Justice Monica Bolna’an Dongban-Mensem is currently the President of the Court of Appeal (PCA), Nigeria and Life Member of Body of Benchers. Body of Benchers is responsible for the training and discipline of all lawyers in Nigeria. Justice Dongban-Mensem is an authority in Criminal and Civil Procedure Law, Taxation and International Public Finance, Public International Law, Legislative Drafting, Constitutional and Administrative Law and International Commercial Transactions.

After receiving her LL.B and LL.M from Ahmadu Bello University (ABU) Zaria-Nigeria and a Post Graduate Diploma from the Institute of Advanced Legal Studies, University of London, Russel Square – London, Justice Mensem was Registrar of Plateau State High Court in 1979 and Magistrate of various grades up to Chief Magistrate between 1981 and 1990. She was Visiting Lecturer on Press Law at the Catholic Media Centre, Kaduna from 1988-1992 and Part-time Lecturer at the University of Jos between 1989 and 1997.

From 1990-1993 Justice Dongban-Mensem served as Deputy Chief Registrar, Superior Courts and Protocol Affairs and was appointed Judge, High Court of Justice, Plateau Judiciary from 1993-1996. On transfer from the former, Dongban-Mensem became the Judge, Federal Capital Territory (FCT) Judiciary from 1997-2003.