| | | | |
Chairman | Vice-Chairman |

| Jerry Coder President Emeritus, Semiconductor Materials DuPont Electronic Technologies | 
| Robert P. Akins Chairman and CEO Cymer, Inc. |
| | | |
Board of Directors | | |

| André-Jacques Auberton-Hervé President, CEO, and Chairman Soitec | 
| J.C. Kim CEO and Chairman Edwards Korea Limited |

| Susumu Kohyama President and CEO Covalent Materials Corporation | 
| Stanley T. Myers President and CEO SEMI |

| Douglas Neugold CEO ATMI, Inc. | 
| Stephen G. Newberry President and CEO Lam Research Corporation |

| Kosei Nomiya Chairman Ultratech K.K. | 
| Mary Puma Chairman and CEO Axcelis Technologies, Inc. |

| Franz Richter President and CEO Thin Materials AG | 
| Stephen Schwartz Chairman, President and CEO Asyst Technologies, Inc. |

| Michael Splinter President and CEO Applied Materials, Inc. | 
| Kiyoshi (Tom) Togawa Sr. VP & Executive Officer, Marketing & Sales Operations Hitachi Chemical Co., Ltd. |

| Way Tu President and CEO Allegro Manufacturing PTE Ltd. | 
| Kazuo Ushida Managing Director, Sr. Exec. Officer President of Precision Equipment Co. Nikon Corporation |

| Richard Wallace Chief Executive Officer KLA-Tencor | | |
| | | | |
Ex-Officio | | |
Tetsuro Higashi Chairman and CEO Tokyo Electron Limited | Atsushi Horiba President and CEO Horiba. Ltd. |
| | |
Archie Hwang Chairman and CEO Hermes Epitek Corporation | |
| | |
Directors Emeritus | |
Edward H. Braun Chairman and CEO Veeco Instruments, Inc. | Joel A. Elftmann President Custom Fab Solutions |
| | |
Kenneth Levy Chairman Emeritus KLA-Tencor | James C. Morgan Chairman Applied Materials, Inc. |
| | |
Dan Quernemoen Chairman Emeritus Entegris, Inc | Kenichi Sekiya Honorary Chairman Disco Corporation |
| | |
Shigeo Takayama Director & Honorary Chairman, Founder Hakuto Co., Ltd. | Arthur W. Zafiropoulo Chairman and CEO Ultratech, Inc. |
| | |
Shoichiro Yoshida Corporate Advisor Nikon Corporation | |