* PhD, FAMS (USA), FTWAS, FAAS, FAS (Nig), FMAN, FNMS, OON, NNOM * President of the African Academy of Sciences (AAS), Nairobi, Kenya * Distinguished Professor of Mathematics, National Mathematical Centre, Abuja, Nigeria.
* Sanctions Commissioner of the African Development Bank * Chairperson of the Council of the International Anti-Corruption Conference * Member, High Level Panel on Illicit Financial Flows from Africa * Member, Governing Board, Africa Governance Institute * Former Chairperson, Eminent Persons Panel of the African Peer Review Mechanism * Former President of the Pan African Lawyers Union
* Director, Indian Institute of Management Tiruchirappalli India * Vice President (Asia Pacific Division) of Decision Sciences Institute (DSI), Houston, Texas, USA * Chairman, Resources Management Sectional Committee, BIS, New Delhi, India.
* Chairman of Entreprises du Cameroun (E.CAM) * Deputy-Chairman of the Chamber of Commerce, Industry, Mines and Craft of Cameroon (CCIMA). * Deputy-Chairman of the Groupement Inter-Patronal du Cameroun (GICAM) from 1994 to 2008. * Chairman of the Federation of African National Law Insurance Companies (FANAF) from 2008 to 2014