In 1946, Jungers was further promoted to Governor-General of the Belgian Congo, the senior administrative position in the colony, which he held from 1946 to 1952.
Jungers was born in Messancy, a small Belgian town on the border with Luxembourg, on 19 July 1888 to a family of Luxembourgish ancestry.
In 1932, he was promoted to the rank of Vice Governor-General and was given responsibility for the Belgian League of Nations mandate of Ruanda-Urundi (modern-day Rwanda and Burundi), replacing Charles Voisin.
[1] He held the position until 1946; a tenure which included World War II and the Ruzagayura famine of 1943–44.
[1] In 1946, Jungers was promoted as the replacement for Pierre Ryckmans as Governor-General of the Belgian Congo, the most important administrative position in the colony.