“He (Jack Petersen) was preparing a thesis and had introduced him to company officials, who soon persuaded him to join their staff as advertising manager in 1935. Shortly after joining the company, he moved his office from Selmer’s headquarters in Elkhart to their office in New York, the center of their business with professional musicians. While there, he did graduate work at New York University, receiving a Master of Business Administration degree in 1939. In 1941, Feddersen was transferred to New Castle, Indiana, where he became general manager of Selmer’s Jesse French Piano division. During World War II, Feddersen converted the plant to manufacture heavy-duty truck bodies for the U.S. Army, B-29 fuel cell cores for the Air Force, and military packaging of millions of parts for the Army Ordnance Corps. In 1954, this division was sold. Feddersen returned to Elkhart as executive vice president and general sales manager.

In 1960, he was elected president of the company. Feddersen has been active in music industry and Elkhart community music affairs, having served as president of the National Association of Piano Manufacturers, president of the American Music Conference, and has served as a director of the National Association of Band Instrument Manufacturers, Elkhart Concert Club and Elkhart Symphony Orchestra.”