He received his sculptor education under the influential of Per Palle Storm (1910–1994) at the Norwegian National Academy of Fine Arts from 1952-55.
[2] Ung made a number of public portrait statues and monuments, most of them on private assignments.
His first large public commission was the statue of actress Johanne Dybwad (bronze.
[3][4] Ung was member and served as chairman of the Norwegian Association of Sculptors (Norsk Billedhuggerforening), was a member of the Young Artists Society (Unge Kunstneres Samfund) and served on the Board of Supervisors of Kunstnernes Hus in Oslo from 1967-69.
He was married in 1987 with sculptor Elena Engelsen-Wisse, daughter of woodcarver and illustrator Henning Engelsen (1918–2005).