Consulting
2007 Cold Quanta Inc., Boulder, CO, USA, Scientific Advisory Board
Optical Comb, Inc., Tokyo, Japan, Scientific Advisory Board
Zett Optics, Göttingen, Germany, Scientific Advisory Board
2006- Imprimatur Capital, London, UK, Scientific Advisory Board
2001- Menlo Systems GmbH, Martinsried, Germany, Co-Founder
1999 - TUI Optics GmbH, Martinsried, Germany, Scientific Advisory Board
1997 - Nanophotonics AG, Mainz, Germany, Board of Directors
1987 - 93 Siemens AG, Munich, Germany, Central Research Laboratory
1985 - 95 American Healthcare Fund, USA, Scientific Advisory Board
1985 - 92 Melles Griot Inc., USA, Scientific Advisory Board
1976 - 80 IBM Research Laboratories, Almaden, USA