1966

Born in Bruck/Mur (Austria)

1984-1989

Studies of laws and business administration in Vienna

1991

Graduation Dr. iur., University of Vienna

1994

Graduation Dr. rer. soc. oec., University of Vienna

1988-1997

Research assistant and lecturer at the University of Vienna, Institute for State and Administrative Law

1991

Member of the secretariat of the European Commission of Human Rights, Strasbourg

1994/5

Research fellow at the Max-Planck-Institute of comparative law and public international law, Heidelberg, Germany

January 1997

Habilitation for Constitutional Law, Administrative Law and Comparative Public Law, University of Vienna Faculty of Law

1997-1999

Visiting professor, University of Linz/Danube

1999–2002

Full professor of Public Law, University of Bonn; Director of the Institute for canon law

2002-2005

Ad-hoc-judge at the European Court of Human Rights

2002-2006

Full professor, University of Graz

Since 2005

Judge at the Constitutional Court of Austria

Since 2006

Full professor for Public Law, Business Law and Public International Law, University of Economics, Vienna

Since 2006

Member of the Venice Commission (Vice-President from 2015 to 2017)

2014-2020

Member of the Advisory Panel of Experts on Candidates for Election as Judge to the ECtHR (chairman 2019/2020)

2018-2019

Vice-President of the Constitutional Court of Austria

2018/2019

Fellow at the Wissenschaftskolleg zu Berlin

Since 2020

President of the Constitutional Court of Austria