From 1985 to 2007 he served on the advisory board of Art Cologne art fair .
From 1985 to 2007 he has been a member of the Art Committee KIAF , Seoul , Korea since 2005 .
From 1985 to 2007 he served on the advisory board of Art Cologne art fair , and has been a member of the Art Committee KIAF , Seoul , Korea since 2005 .