Justice Dennis Dominic Adjei is a fellow of the Ghana Academy of Arts and Sciences.

He  is also a Justice of the African Court on Human and People’s Right, Arusha Tanzania and a Justice of the Court of Appeal, Ghana. He is also an Adjunct Professor, Faculty of Law, University of Cape Coast, an Adjunct Associate Professor, Kwame Nkrumah University of Science and Technology, Kumasi and an Adjunct Senior Lecturer, Ghana School of Law, Accra,

Sir Justice Adjei is a Member, University of Ghana School of Law Management Committee, Accra, Ghana, an Elected Member of the nine-member Advisory Committee on the Nomination of Judges of the International Criminal Court (ICC) by the States Parties of the International Criminal Court, the Hague, Netherlands and  the Judicial Fellow of the Institute of Advanced Legal Studies (University of London) Inns of Court, 2022–23 Academic Year.

Sir Justice Dennis Dominic Adjei holds a  Master of Judicial Studies (MJS), Duke University School of Law, Durham, North Carolina, USA, Master of Laws (LLM) (Criminology and Criminal Justice), University of London, London, UK, an Executive Master of Public Administration (EMPA), Ghana Institute of Management and Public Administration, Accra, Ghana, Qualifying Certificate in Law, Ghana School of Law, Accra, Ghana, and a Bachelor of Arts (Law & Linguistics), University of Ghana, Legon, Accra, Ghana.

Sir Justice Adjie was the Director of the Judicial Training Institute (JTI)  and the Public Complaints Unit and Courts Inspectorate Unit of the Judicial Service of Ghana, respectively. He was also the   Chairperson of the Appeal Process Committee of the Judicial Service of Ghana and the Chairman of the Private Process Service Committee of the Judicial Service of Ghana.  In addition to the above, Sir Justice Adjie was the  Honorific Dean, Faculty of Law – Ghana Institute of Management and Public Administration (GIMPA). He is the Founder & Managing Partner, Holy Trinity Chambers, Kumasi, Ghana, and a trainer of the Judicial Training Institute (JTI).  

Sir Justice Dennis Dominic Adjei has written seven (7) books in law covering areas such a Land Law, Constitutional Law, the Law of Interpretation of Deeds and Statutes, Criminal Procedure, Criminal Law, Credit Creation, Mortgage and other financial laws and regulations.

Justice Dennis Dominic Adjei has attended several conferences and workshops both local and international and has authored several articles and made several presentations at several public events in Ghana and abroad. In 2005, he was Knighted by the Pope at the Vatican, Rome and was given the title “SIR”.