1977-1985

graduated from law and business school in Germany and Switzerland

1988

became a member of the German bar association

1988-1999

practiced as a lawyer at various Law Firms and Tax Consultancies 

2000- 2003

Manager at the legal department of Debitel AG, Stuttgart.

2004 – 2005

Executive Consultant und Manager of Partner- and Process-Management at Siemens AG, Munich.

2005 – 2006

(Acting) Head of Corporate Services and Chief Compliance Officer at BenQ Mobile GmbH + Co. oHG, München and Taiwan

since 2007

Lecturer at the International Business School St. Gallen, Switzerland

since 2009

Professor at SRH Hochschule Berlin – The International Management University, Germany

2009

A member of the Swiss bar association

2009 – 2014

Lawyer and President of Board of Directors at H&P Prof. Dr. Holzhauser & Partner Zürich, Switzerland.

since 2014

Lawyer and President of Board of Directors at Wilhelm TRUSTED ADVISORS Rechtsanwälte AG, Weggis / Luzern, Switzerland.

since 2015

Admitted as a lawyer in Dubai

since 2022

Guest Professor at St. Petersburg University of Economics