Donald Clayton Tillisch died peacefully, at home, on December 19, 2022, having just turned 82. He was born in Minneapolis, Minnesota, on December 12, 1940, to Clayton and Dorothy Tillisch. Soon after that they moved to Moorhead where he went to St. Joseph’s Catholic school and then, Moorhead High School, graduating in 1958. He graduated from MSU with a degree in accounting and then NDSU with a Master’s in Business.