He is a son of a factory worker, exporter and roaster, he has been in the coffee industry since childhood and an engineer by profession.

He is the founder of à BRÛLERIE DU MOUNGO sarl founded in 201, a member of the college of processors at the Interprofessional Council of Cocoa and Coffee (CICC).

He is also the Managing Director of GKB FOODS INDUSTRY Sarl which is an agri-food company.

Bertrand has served as the General Secretary of the Union of Cocoa and Coffee Processors of Cameroon (UT3C) since 2016.
Previously, he represented local processing industries on the management committee of the Cocoa and Coffee Development Fund (FODECC) from 2016 to 2019.