Donald M. Spalding served as park superintendent from April 23, 1967, to June 23, 1969. Prior to his Crater Lake assignment he was superintendent of Effigy Mounds National Monument (1962-64) and Platt National Park (1964-67).

On July 1, 1969, he became general superintendent of the Klamath Falls Group, a new "mini-regional" office established to administer Crater Lake and Lava Beds and Oregon Caves national monuments. Subsequently, he served as superintendent of Buffalo National River (1972-76) and Death Valley National Monument (1976-78), and Chief, Office of Operations Evaluation of the Western Regional Office (1979-83). [Administrative History of Crater Lake NP]