Stumpf’s association with Herman Miller began in 1970 when he joined the staff of the Herman Miller Research Corporation.
During his lifetime, Stumpf was a key figure in Herman Miller’s transformation into a research-based, problem-solving innovator received numerous awards for this work. He was named the winner of the 2006 National Design Award in Product Design, an award presented by the Smithsonian’s Cooper-Hewitt, National Design Museum.