1967-69
Assistant Instructor for University of Texas Karate Club, Texas Karate Institute and United Auto Workers, Grand Prairie, Texas.

1969-71
Instructor while in the U.S. Army.
Instructor/student for Grand Master Ralph Krause, Denver, Colorado.

1971-72
Instructor for Colorado Karate Institute, Jim Harkins, Boulder, Colorado.

1972-73
Instructor for Texas Karate Institute,  Allen Steen, Arlington, Texas.

1973
Established American Black Belt Academy with Robert Harris.

1976
Instructor for Local National Guard Unit.

1977-80
Defensive Tactics Instructor for Great Southwest Police Academy.

1979
Instructor at the Masonic Home for Children, Fort Worth, Texas.

1980
Established the Martial Arts Club at the University of Texas at Arlington.

1982
Established accredited Taekwondo course for the Physical Education Department at the University of Texas at Arlington.

1988
Awarded State Certification for instructing law enforcement officers in defensive tactics.

1989
Created certified peace officer course for weapon retention.

1988-1991
Dalworthington Gardens Dept. of Public Safety Peace Officer:
Patrol officer, Tactical Team Member, TECLEOSE Certified Instructor for Police Tactics.

1990
Co-founder of the Traditional Karate League.