Bachelor in Environmental Design, University Kansas, 1975. Bachelor of Architecture, University Kansas, 1976.
Architect various firms, Kansas City, Missouri, 1973-1981. Architect, project manager Howard, Needles, Tammen and Bergendoff Architects, 1981-1983. Principal, vice president Hellmuth, Obata & Kassabaum Architects, Inc., since 1983.
Member American Institute of Architects, Missouri Council of Architects.
Son of Jon R. and Marylyn L. (Weston) deF. Married Linda Marie Schmidt, July 28, 1973. Children: Alicia Christine, Sara Nicole, Jennifer Annual.