Coach Dukes has headed up the JC Swimming program for over 15 years, including coaching water polo in 2003-2004. The Patriots have competed at the highest levels on the MIAA and IAAM during his tenure and several swimmers have captured medals at conference championships. Outside of JC, Coach Dukes is a Life Member of the American Swim Coaches Association and has attained a Level 3 Education and Performance standing. He has also served as head coach or assistant coach for USA Swimming, Maryland Swimming and the Harford Swim League teams since 1999 and has been involved with the Harford Hurricanes & Arena Club Aquatics year-round programs plus the North Harford Neptunes and the Arena Club Starz summer swim league teams. He has also coached individuals training for positions on national teams, universities, service academies and masters swimming.