National Taekwondo Center: Head Master Sean Yi, Master George Oh, Master Steve Han, Master Seok Ho Han, Master Soo Wha. Centers in Pasadena, Palos Verdes, and La Verne. Gain knowledge, discipline, strength, focus, stamina, learn self-defense, increase self-confidence, make friends, and much more. Pasadena: 626-797-2900, Palos Verdes: 310-732-1234.