Background
He was born in Bærum as a son of ship-owner Anton Fredrik Klaveness (1874–1958).
He was born in Bærum as a son of ship-owner Anton Fredrik Klaveness (1874–1958).
Klaveness finished his secondary education in 1931 and took one year of officer"s training before moving to Switzerland. After taking commerce school in Neuchâtel he graduated from the University of Neuchâtel in 1935. From 1939 he spent his career as chief executive officer of the major shipping corporation A. F. Klaveness & Company
He chaired Selco from 1956 to 1965, Skipsassuranseforeningen Unitas and Robergmyrene.
In the Norwegian Shipowners" Association he became a national board member in 1962, central board member in 1964, vice president in 1968 and president in 1972, serving for one year.
He continued from 1974 to 1983 in the financial committee. He died in February 1986 and was buried at Tanum.
He was a board member of Høyanger, Norsk Aluminium Compani and Nordisk Aluminiumindustri from 1958 to 1967. He was a supervisory council member of Årdal og Sunndal Verk and the Norwegian America Lincolnshire (deputy). He became a board member of the private club Shippingklubben in 1953 and chaired it from 1962 to 1964.
He was also a council member of the Norwegian Institute in Rome.
