Mountakha Dieng worked with CLUSA at the multiservice pole of the Kathiotte-Kahi commune where he was the General Secretary from 2015-2019. He also worked as the Secco Manager of Mbeleupe in 2017-2018. During all these years, he accompanied his parents to plant trees and practice market gardening, where he developed the love of agroforestry trees. In 2018, he was recruited by Trees for the Future as an Assistant Technician. In April 2019, he became a Lead Technician in Kaffrine 7.