Oelofse, Jan Harm was born on July 12, 1934 in Burgersdorp, Cape Province, South Africa. Son of Andries and Johanna (Vorster) O. Diploma in agriculture, Agricultural College, Cradock Cape, South Africa, 1952. Animal and trapping staff Tanganykia Game Ltd., Arusha Tanganykia, 1954-1963.
Senior game warden game translocation Natal Parks Board, Hluhluwe Gamereserve, Natal, South Africa, 1964-1972. Game rancher Farm Okonjati, Kalkfeld, Namibia, South Africa, since 1974. Member Wilderness Leadership School, Durban, Natal, since 1967.
Member tourist board Namibia Administration, Windhoek, since 1984. Discoverer technique to capture wild animals with plastic material. Named Most Outstanding Hunter of Year, 1982.
Recipient International Order of Merit, 1990.