Head Instructor Jeff Benson
1st Dan Taekwondo (Kukkiwon). Sin Moo Hapkido
IT Manager Federal Contractor
Senior Instructor, Dr. John Khouri
3rd Dan Sin Moo Hapkido
Doctor in Orthodontia (Khouri Orthodontics, Haymarket VA)
Dr. Khouri achieve his 1st Dan from OSA Arlington. Upon moving to the Haymarket area where he runs a private practice, he join the team of So Won Sool Instructors in order to expand his knowledge of Hapkido. He was promoted to Second degree black Belt in Sin Moo Hapkido under Dr. Marquez.