From the Program Book of the 6th IAGSDC Convention, held in New York, NY in 1989:
John has been calling regularly since 1958, and has been the Executive Secretary of Callerlab since 1976. He conducts callers' clinics and colleges throughout the U.S. and Canada. John has also written many articles on calling and the leadership aspects of the activity. He and his wife Freddie have received many accolades for their active participation in the Sets In Order American Square Dance Society. They regularly teach square dance classes and workshops, and have conducted leadership training in eight foreign countries and 35 states.