Marietta Brew Appiah-Oppong served as the Minister, Attorney General of Ghana and Minister for Justice of Ghana under ex-President John Dramani Mahama. She serves on the International Chamber of Commerce's Court of Arbitration, having been appointed in 2018 for a three year period.
Marietta had her early education at the Tema Parents Association School after which she continued to the St Roses Senior High School at Akwatia in the Eastern Region for her Ordinary Level and Advanced Level Certificates. She proceeded to the University of Ghana, where she obtained her Bachelor of Laws (LLB) degree later to the Ghana School of Law, Makola for her Professional Certificate to practice law. Marietta also holds a Post Graduate Degree from the Institute of Social Studies, Hague in the Netherlands.
As a legal practitioner, Marietta has been practicing for over twenty years. She was a senior partner at the renowned law firm, Lithur Brew and Co.
Marietta was a member of the Commission of Enquiry set up to investigate the operations of the Ghana@50 Celebrations. She has also served on the board of the Volta River Authority (VRA). She was a member of the team that successfully won Ghana’s maritime dispute with Cote D’Ivoire at the International Tribunal on the Law of the Sea (ITLOS).
