At Choe’s HapKiDo in Cumming, our instructors combine years of martial arts experience with a passion for helping students of all ages build confidence, discipline, and self-defense skills. Learn from certified experts dedicated to your child’s success.
Master instructor at Choe’s HapKiDo Martial Arts in Cumming GA. A HapKiDo practitioner since 1990, focusing on discipline and student-transformation.
Maurice Murphy began studying HapKiDo in 1990 and quickly advanced in both skill and responsibility — by 1991 he was already serving as an assistant instructor, and by 1994 he’d earned his black belt. He’s deeply involved in all aspects of the school, leading demonstration, sparring, and grappling teams, and promoting the values of discipline, respect, character, and mental strength alongside physical technique. With an inclusive and powerful teaching style, Master Murphy focuses on every student’s growth—with martial arts as a tool for confidence, perseverance, and consistent improvement.
Dedicated HapKiDo instructor and multi-school owner, shaping confidence and discipline in children and adults alike.
RJ LoPresti has immersed himself in martial arts since childhood, he earned his black belt in Choe’s HapKiDo 2004 and rising through the ranks to become a Master Instructor and multi-school owner of Choe’s HapKiDo and Shape Up Kickboxing with over 30 years of Martial Arts experience. Known for his energetic, inclusive teaching style, RJ focuses not only on physical techniques—throws, joint locks, striking—but also on character development, respect, and mental focus. Whether leading kids’ classes or guiding adults, he strives to empower students to grow with confidence and integrity.
3rd-degree HapKiDo black belt at Choe’s HapKiDo of Cumming GA, helping students discover confidence and potential through martial arts.
Growing up, Zach Vaughn dreamed of training in martial arts but didn’t have the opportunity as a child. In 2015, he finally began his HapKiDo journey in Cumming, Georgia, and quickly dedicated himself to training every day. In his words, “I dove in as deep as I could!” Within two years of training every day, he earned his 1st-degree black belt, followed by his 2nd degree in 2020 during the pandemic, when he also became the Head Instructor at Choe’s HapKiDo. In 2024, he achieved his 3rd degree. Instructor Vaugn’s teaching approach reflects his own journey—he sees each student as that younger version of himself and works to inspire confidence, perseverance, and personal growth in every class.
