Kim's Hapkido, located in Yucaipa, California, and its surrounding areas, was founded in 1992. Run by Mr. Gregory Castle, a certified 5th Dan blackbelt of Jang Mu Won Hapkido, they offer a wide variety of programs. These include self-defense classes for both children and adults, Junior Hapki classes, sparring, women's self-defense, and more. Their approach emphasizes timing, precision, and great devotion to detail, providing techniques that can be readily applied in any situation.