• 2006
    Co-president of the Korean Museum Association
    2001-2006
    Director of Seoul Museum of Art
    2000
    Honorary Ph.D. of Hong Ik University
    1995-1996
    Honorary Commissioner, Korean Arts Awards
    1995
    Advisor and Commissioner, 1st Gwangju Biennale, Gwangju, Korea
    1990-1994
    Dean of Fine Arts College, Hong Ik University
    1992
    Commissioner for the 24th Cannes International Painting Festival
    1986-1989
    Vice Chairman, Gallery of the Korean Federation of Artistic and Cultural Associations
    Vice Chairman, Korean Fine Arts Association, Seoul, Korea
    1988
    The Commissioner for the 43rd Venice Biennale
    1987-1988
    Honorary member of the International Art Exhibition for the 24th Olympiad
    1984
    Advisor, The Korean Culture and Arts Foundation
    1980
    Commissioner for the 12th Cagnes International Painting Festival
    1969-1974
    Chairman of Korea Avant Garde Association