| 2009 | Denver, Colorado, USA | Khalil Najafi - General Chairman |
| | Martin Schmidt - Program Chairman
|
| 2007 | Lyon, FRANCE | Gilles Delapierre - General Chairman |
| | Robert Puers - Program Chairman
|
| 2005 | Seoul, KOREA | Byung-Ki Sohn - General Chairman |
| | Hiroyuki Fujita - Program Chairman
|
| 2003 | Boston, Massachusetts, USA | G. Benjamin Hocker - General Chairman |
| | Roger T. Howe - Program Chairman
|
| 2001 | Munich, GERMANY | Helmut Seidel - General Chairman |
| | Ernst Obermeier - Program Chairman
|
| 1999 | Sendai, JAPAN | Masayoshi Esashi - General Chairman |
| | Toyosaka Moriizumi - Program Chairman
|
| 1997 | Chicago, Illinois, USA | Kensall Wise - General Chairman |
| | Stephen D. Senturia - Program Chairman
|
| 1995 | Stockholm, SWEDEN | Ingemar Lundström - General Chairman |
| | Jan-Åke Schweitz - Program Chairman
|
| 1993 | Yokohama, JAPAN | Kiyoshi Takahasi - General Chairman |
| | Akio Sasaki - Program Chairman
|
| 1991 | San Francisco, California, USA | Richard Muller - General Chairman |
| | Scott Chang - Program Chairman
|
| 1989 | Montreux, SWITZERLAND | Nico de Rooij - General Chairman |
| | Simon Middelhoek - Program Chairman
|
| 1987 | Tokyo, JAPAN | Shoei Kataoka - General Chairman |
| | Tadayuki Matsuo - Program Chairman
|
| 1985 | Philadelphia, Pennsylvania, USA | Wen Ko - General Chairman |
| | Kensall Wise - Program Chairman
|
| 1983 | Delft, THE NETHERLANDS | Simon Middelhoek - General Chairman |
| | G. Pfister - Program Chairman
|
| 1981 | Boston, Massachusetts, USA | Scott Chang - General Chairman |
| | Wen Ko - Program Chairman
|
