Sylvestre Didier Mavouenzela is the President of the Chamber of Commerce, Industry, Agriculture and Trade of Pointe-Noire (CCIAM).

Manager of the building company Nord-Sud Expertise, he chairs the Pointe-Noire consular chamber since 1999.  

He initiated the establishment of the Inter-national Green Business Forum, which was retained by the ECAC as the instrument for promoting the green economy in Central Africa.

Since December 2019, Sylvestre Didier Mavouenzela is the head of the steering committee of the National Fund to support employability and learning (also known as Fonea).

He has also served on several boards of directors.