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Ludger H. Viefhues
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Profile
Ludger H.
Viefhues has been Chief Financial Officer Since December 2000 and also serves as Executive Vice President, Finance and Secretary.
From 1999 to 2000, Mr. Viefhues was Chief Financial Officer of STEAG RTP Systems.
From 1996 to 1999, He was Chief Executive Officer at MEMC Electronic Materials, Inc., a supplier of silicon wafers.
Prior to being appointed Chief Executive Officer at MEMC, Mr. Viefhues served as MEMC's Chief Financial Officer.
From 1993 to 1996, Mr. Viefhues held the post of Chief Financial Officer at Huels AG in Germany.
Former positions of Ludger H. Viefhues
| Companies | Position | End |
|---|---|---|
| SUNEDISON INC | President | 01/01/1999 |
| MATTSON TECHNOLOGY, INC. | Corporate Secretary | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
5
1st degree connections
2
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 2 |
|---|---|
Mattson Technology, Inc.
 Mattson Technology, Inc. SemiconductorsElectronic Technology Designs, manufactures and markets semiconductor wafer processing equipment used in the fabrication of integrated circuits | Electronic Technology |
SunEdison, Inc.
 SunEdison, Inc. Alternative Power GenerationUtilities Operates solar power plants | Utilities |
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