National and international VAT, customs, excise duties, international trade matters.
German Bar (1998). Certified German Tax Expert (2001). Swiss Bar (2009). Headed the Indirect Tax department of a "Big four" Company in Zurich. Partner at a major Swiss law firm (2009-2016). Niederer Kraft Frey, Counsel (2016-2018), Partner (2019-).
Swiss branch of the International Fiscal Association (IFA), International Bar Association (IBA).
Various articles in the field of taxation.
German, English, French. Frequent lecturer and publisher on Swiss and European VAT.