On January 30, 1997, ownership switched from P.H. Yu (于品海), the current chairman of Nan Hai Corporation Limited (南海控股有限公司), to the Koos Group (和信企業團).
and the recent annual China-U.S. Senior Officials Training session at the Tsinghua University, where he led a discussion on the role of media and ideology in US-China relations, with US officials from the Department of State, Defense, Homeland Security and the Navy.
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In 2010, at Peking University, Yu founded the Chinese Culture Research Center, whose mission is to promote contemporary Chinese cultural innovation and construct a modern Sinology.
He served in numerous leadership roles during his career, including a term as President of the American Heart Association (1972-3).