Emerson now resides in Newport Beach, California with his wife, Joy, and daughter, Heidi, and has a home in Gstaad where he holds a tennis clinic each summer. His son, Antony, was an All-American in tennis at Corona del Mar High School and the University of Southern California and played on the professional tour briefly. Roy and Antony won the United States Hard Court Father-and-Son title in 1978. Roy briefly coached promising juniors at East Lake Woodlands in Oldsmar, Florida. His students included Pat Cash, Kim Warwick, and Derek Damico.