- 2013 appointed by German Bar Association as specialist for industrial property law
- 2005 appointed by German Bar Association as specialist for medical law
- 2001 foundation of private practice in Herrsching am Ammersee
- 1992 - 2001 SmithKline Beecham Pharma GmbH - Head of the Legal Department and member of the Management Team, Member of the Legal Advisory Board of the Verband Forschender Arzneimittelhersteller, Berlin (VFA - German Association of Research-based Pharmaceutical Industry) and was active in various working groups of EFPIA (European Association of Pharmaceutical Indrustry Associations) and of IFPMA (worldwide Association of Pharmaceutical Industry Associations).
- 1988 - 1992 Corporate Legal Department of Deutsche Aerospace AG, München, which was an affiliate of Daimler Benz AG on national and international cooperation projects, such as joint ventures in France, U.S. and Taiwan.
- 1985 - 1988 lawyer in Parisien office of Schürmann & Partner, a major Frankfurt based German Lawfirm dealing with French Commercial Law.