Technology >> CEO Interviews >> November 10, 2003

Ludger Viefhues – Mattson Technology Inc (mtsn)

LUDGER H. VIEFHUES is Chief Financial Officer and Vice President, Finance of Mattson Technology, Inc. Mr. Viefhues graduated from the University of Muenster, Germany, with a degree in business administration (MBA). After a trainee program in a German bank, he started his career in 1968 in the VEBA Group, with assignments in Germany and South Africa in finance, controlling, operations and general management. From 1989 to 1992, Mr. Viefhues served as the Chief Financial Officer of MEMC Electronic Materials in St. Louis, Missouri. In 1993, he was appointed as the Chief Financial Officer of Huels AG and Chairman of MEMC before returning to MEMC in St. Louis as the Chief Executive Officer in 1996. Having served on the STEAG Electronic Systems Supervisory Board for several years, Mr. Viefhues joined STEAG RTP Systems as the Chief Financial Officer in 1999 and became CFO for Mattson after it acquired STEAG in 2001. Profile
TWST: Would you start off with a capsule summary of Mattson Technology,

a picture of the company today and a little historical information on

the company?

Mr. Viefhues: Mattson Technology,