Foreign Member, Royal Swedish Academy of Engineering Sciences, Sweden
Member, Reischauer Center Advisory Council, U.S.A.
Member of Board of Trustees, Carnegie Institution of Washington, U.S.A.
Founding Member of National Board, Scripps Clinic & Research Foundation, U.S.A.
Academician, Academy of Ceramics, Italy
Distinguished Lifetime Member, The American Ceramic Society, U.S.A.
Visiting Professor, Nankai University, China
Visiting Professor, ZhongShan University, China
Foreign Associate, National Academy of Engineering, U.S.A.