[1] Influenced by the engravings and the tattoos that he observed on his grandmother's body and pillars of the royal houses to the west of Cameroon, he drew a lot during his childhood in the village.

Concretizing his desires, pains, passions, indignations and dreams through his sculptures, Sumégné invents his philosophy and his technique of JALA'A to manifest and magnify self-transcendence.

The topics addressed by Sumégné are multiple: masks and characters of traditional powers, men and women on the move (dancers, pushed-pushers), scenes out of his daily environment.

His latest urban creation was Le monument pour la Paix for the contemporary art biennale of Bangui, in the Central African Republic.

In 2004, he participated in the biennale of Dakar (Senegal), in a one-man show in the official selection, where he presented his series of sculptures Les neufs notables to an international audience for the first time.