Martial arts and Open gym!!! Though seeing change takes students committed to their training, Master Seo also recognizes the importance of offering quality training to achieve the desired results. To that extent, all Dae Han instructors are personally reviewed by Master Seo and must meet specific criteria before being allowed to teach. Master Seo understands every student has his/her own personal goals, whether it be weight loss or proficiency in self-defense. He believes with dedication and discipline each student can attain those goals and the resulting benefits are a combination of the physical, mental and spiritual goals desired. This unfailingly results in the improvement in one’s quality of life.