Wait a minute! This Dr. Yeung has relationship with 'International Wu Style Tai Chi Chuan Association'! Who is he? (See picture in link)
Lama Dondrup Dorje with Grandmaster Wu Yen-Hsia (吴雁霞), her husband Master Kwang Hsiao-Jong (郭少炯 far left), and her brother Master Wu Da Xin (吴大新 far right) at the First International Wu Style Taiji Chuan Convention in Canada. Wu Yen-Hsia, who served as the Head of the Wu family until her passing, was the granddaughter of Wu Chien Chuan (吴鉴泉), the Founder of Wu Style Taiji. Lama Dondrup Dorje was Wu Yen-Hsia's translator at her Master Class Seminar at the convention.
http://www.pathgate.org/LamaDondrupDorje.html