Master Stephen Co is a senior disciple and personal student of Grandmaster Choa Kok Sui, the founder of PRANIC HEALING®. He and his wife, Daphne, started the first PRANIC HEALING® center outside of the Philippines, the U.S. Pranic Healing Center/American Institute of Asian Studies, LLC, in Chino, California, to promote and teach PRANIC HEALING® the United States.