Registered with the attorneys' registry of Zurich
- Attorney at law, Grisons (1981)
- lic. iur., University of Fribourg Law School (1980)
- With ALTENBURGER since 1990, partner since 1994
- Lenz & Staehelin, Geneva, associate (1987 - 1989)
- Marxer & Partners, Vaduz, associate (1985 - 1986)
- UBS AG, London, associate (1984)
- Coopers & Lybrand, Basle, associate (1981 - 1983)
- Zurich Bar Association (ZAV)
- Swiss Bar Association (SAV)
- International Bar Association (IBA)
- Swiss Branch of the International Fiscal Association (IFA)
- Union Internationale des Avocats (UIA)
- Swiss-French Chamber of Commerce (CFSCI)
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Tax 2012: The Year in Review, Switzerland, Tax Notes Int’l, December 24, 2012, p. 1248
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The most recent decision of the Swiss Federal Supreme Court confirms: also banks need to reimburse retrocessions to their clients, ALTENBURGER Newsletter, November 2012
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News Analysis: Another Look at Swiss Lump Sum Taxation, Tax Notes Int'l, November 19, 2012, p. 726
All publications by Leonhard Toenz