Eng. Menye David Manga Advocate holds a MSc. (Design and Production.) from the University of Lagos, Nigeria (1988), and a BSc. (Mechanical Engineer) from the University of Dar es Salaam (1984). He also hold a Bachelor of Laws degree from the Open University of Tanzania (2014) and Post Graduate Diploma in Legal Practice from the Law School of Tanzania (2017). He is a registered Consulting engineer working as a consultant Director with Inter-Consult Limited a local Multidisciplinary Consultancy firm. Eng Manga is an Advocate of the High Court of Tanzania and subordinate Courts save for Primary Courts and a member of the Tanganyika Law Society and East African Law Society. Eng Manga is a past President of the Association of Consulting engineers Tanzania (ACET) (2012-2014) and current President of the Institution of Engineers Tanzania (IET) (2018-2020). He holds the position of Honorary Treasurer of the Tanzania Institute of Arbitrators (2016-2019).

Eng Manga started off his engineering practice as a design engineer at the Tanzania Engineering and Manufacturing Design Organization (TEMDO) in Arusha, Tanzania from 1984 to 1991 before moving to Ibadan, Nigeria to work at the African Regional Centre for Engineering Design and Manufacturing (ARCEDEM) as head of Design and Manufacturing Departments from 1991 to 1994. On returning to Tanzania he worked as Managing Director of TAMEK engineering designers ltd of Arusha prior to moving on to Inter-Consult Ltd in 1999 as a Technical Director in the Mechanical and Electrical Engineering Department rising to Director and Consultant Director of the company.

Eng Manga has been a project Director and engineer in over 100 projects building and Infrastructure projects some which includes land mark projects such as the Bank of Tanzania Twin Tower project, the Port Control Tower, NSSF Benjamin Willam Mkapa Towers, College of Tourism in Dar es Salaam and Arusha, NMB HQ offices and Accountancy Professional Center for NBAA.

Eng Manga has attended a number of training courses on FIDIC conditions of Contract and training in FIDIC Arbitration and Adjudication. He is in the FIDIC national list of Arbitrators and Adjudicators, Tanzania Institute of Arbitrators panel of Arbitrators and in NCC list of Arbitrators