Between 1995 and 1997, Yang Jun served as the Vice President of Operations, Techniques and Training, and since 1997, as First President of the Shanxi Province Yang Style Tai Chi Chuan Association, which now has over 30,000 members in the province of Shanxi alone. In October 1998 Yang Jun and his grandfather Yang Zhenduo founded the International Yang Style Tai Chi Chuan Association in Seattle, Washington, United States, and has served as its President since. In August 1999 he moved to Seattle with his wife Fang Hong (Chinese: 方虹) to establish the International Association there, and in September 1999, he started the Yang Cheng Fu Tai Chi Chuan Center in Seattle's International District (Chinatown).