Dennis Fisher is head coach of the Brigham Young University racquetball team, which has won four combined-team and eight women's-team national collegiate championships during his tenure. He is a certified level II coach through the American Professional Racquetball Organization (AmPRO) / International Professional Racquetball Organization (IPRO), an AmPRO / IPRO professional instructor, a United States Racquet Stringers Association racquet technician, and a Wilson racquet technician. In 1999, the U.S. Racquetball Association (USAR) and the United States Olympic Committee (USOC) named Fisher Developmental Coach of the Year; and in 2006, Volunteer Coach of the Year for Racquetball. He is a member of Wilson's Racquetball Advisory Staff and past chairman of the USRA Intercollegiate Council. Fisher also has a company that specializes in coaching, training, and instructing racquetball at all levels. He has played racquetball for almost 40 years, competing at the Open level nationally and internationally.

In his spare time, Fisher likes to cycle, fly fish, snow ski, snowboard, and guide canyoneering trips.