Willem Volkersz is a teacher, collector, and sculptor of Bozeman, Montana, who was born in Holland and came to the United States following World War II. He completed his education at the University of Washington in 1965, and completed a Masters of Fine Art at Mills College in 1967.
Volkersz began researching and collecting work by visionary and naive artists while a professor at the Kansas City Art Institute. His collection is now at the John Michael Kohler Arts Center in Sheboygan, Wisconsin, and the Missoula Art Museum, in Missoula, Montana.