He is the Director of the Department of Industrial Projects in the Ministry of Planning and Statistics, where he oversees feasibility studies for projects in Benin. Mr. Tohon has taught financial planning and project analysis at the National Institute of Economics since 1980.

He holds a B.Econ (1975) from the University of Grenoble, and diplomas in Industrial Planning and Project Analysis (1978) and Financial Development Systems (1979) from the University of Paris.