2011 Iwami Contemporary Art Festival, Tottori, Japan

2009 Progetto Ki, Casalgrandepadana, RE, Italy

2007 Continent Ceramics of Korea/Japan, Ieac, Guewiller, France

1994 International Ceramics Workshop, Goa, India
          Jinro Ceramics Symposium, Seoul

1993 Seoul Contemporary Ceramics Biennale, Seoul City Museum of Art
           8 Korean Ceramicists, Überlingen, Germany