The Institute for Swiss and International Tax Law

ISIS was founded in 2000 as an independent, non-commercial institute in the legal form of an association. The approximately 200 members of the association come from tax consulting, tax administration, tax judiciary and tax jurisprudence throughout Switzerland.

The Institute's projects are supported by income from seminars, from university courses and by membership fees.

The ISIS statutes can be found here: ISIS Statutes

Become ISIS member

ISIS is an association with currently more than 150 individual members and 30 corporate members from the field of tax law. Membership is basically open to all individuals, authorities and companies and is associated with many benefits.

Institute Management

The activities of ISIS are carried out by dedicated experts from the Swiss tax community. The strategic responsibility of the institute lies with the 10-member institute management, which has appointed a managing committee of 5 persons for the operational implementation.

The following people are here for you on behalf of ISIS:

Peter Mäusli-AllenspachPeter Mäusli-Allenspach
Julia von AhJulia von Ah
Stephan StauberStephan Stauber
Martin HuberMartin Huber
Luzius CaveltiLuzius Cavelti
René MatteottiRené Matteotti
René RöthlisbergerRené Röthlisberger
Daniel de Vries ReilinghDaniel de Vries Reilingh
Petra CaminadaPetra Caminada
Claudio FischerClaudio Fischer

Other people

Silvia BriggerSilvia Brigger
Ina PelizzoniIna Pelizzoni

Tax community

ISIS) sees itself as a membership organized body,
in which members can actively participate and help shape the implementation of the association's purpose.

Tax Talks

The Tax Talks provide an opportunity for a professional exchange of ideas mixed with personal discussions among tax professionals. The Tax Talks take place once a year, following the Annual General Meeting.

Individual taxation

Tax Talks

2022

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Individual taxation

Family taxation - a never-ending story? Input and moderation: Prof. Dr. Luzius Cavelti, LL.M. (Columbia Law School), Attorney at Law, Swiss Certified Tax Expert, Professor of Tax Law at the University of Basel, Partner at Altenburger Ltd. legal + tax, Member of the Executive Committee of ISIS. Input speakers and discussion participants: Prof. Dr. iur. Andrea Opel, full professor for tax law at the University of Lucerne, consultant at JP Steuer AG, Basel/Zurich and lic. iur. HSG Olivier Margraf, head of the legal department of the tax administration of the Canton of Thurgau.
News Arrow - ISIS) - Institute of Swiss and International Tax Law
Reform of the withholding tax

Tax Talks

2021

:

Reform of the withholding tax

The Federal Council's Proposal for the Reform of the Withholding Tax: Exemption on the wrong track? Moderation and input presentation: Prof. Dr. iur. René Matteotti, LL.M., Attorney at Law, Full Professor for Swiss, European and International Tax Law at the University of Zurich, Of Counsel at Taxpartner AG, Zurich, Member of the ISIS Institute Management. Input speakers and discussion participants: MLaw Nicole Krenger, Project Manager for Tax Policy at the Federal Tax Administration, Bern and lic. iur. Thomas Jaussi, certified tax expert, business engineer HTL/NDS, Partner JP Steuer AG, Basel/Zurich.
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Corporate Social Responsibility

Tax Talks

2020

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Corporate Social Responsibility

Is there a tax responsibility for companies - or do we need total transparency? Moderation and introduction: Prof. Dr. iur. René Matteotti, LL.M., Attorney at Law, Full Professor for Swiss, European and International Tax Law at the University of Zurich, Of Counsel at Taxpartner AG, Zurich. Introductory presentation and discussion participants: MA political science, Matthias Narr, Senior Engagement Manager, Ethos Foundation, Zurich. Other panelists: MLaw Claudio Fischer, LL.M., Attorney at Law, Tax Administrator of the Canton of Bern, Member of the Board of the Swiss Tax Conference and lic. oec. René Röthlisberger, Certified Tax Expert, Head Group Taxation, Syngenta International AG.
News Arrow - ISIS) - Institute of Swiss and International Tax Law