Since June 2007

Judge at the Constitutional Court of the State of Berlin

Since 2006

Professor for Public Law and International Law, Freie Universitaet Berlin

2005 – 2006

Visiting Professor, University of Munich, Faculty of Law

2004 - 2006

Senior Lecturer, Institute of International Law, University of Göttingen

2004

Habilitation, University of Göttingen, Faculty of Law; venia legendi for Public Law, Public International Law, European Law and Comparative Public Law

2003

Visiting Lecturer, School of Law, University of Nottingham

1999 - 2004

Senior Fellow, Institute of International Law, University of Göttingen

1998

Doctor degree from the University of Göttingen

1998

Second Law Degree (Zweite Juristische Staatsprüfung)

1995 – 1998

Various traineeships at public institutions (Referendariat) in Göttingen, Hannover and Frankfurt, including a traineeship with the International Law Group at Clifford Chance, London

1995

Research stay at the Lauterpacht Research Centre for International Law at the University of Cambridge

1993 – 1999

Fellow at the Institute of International Law, University of Göttingen

1993

First Law Degree (Erste Juristische Staatsprüfung)

1987-1993

Law Studies at the Universities of Göttingen, Bonn and Singapore

1987 – 1993

Scholar of the German National Merit Foundation (Studienstiftung des deutschen Volkes)

1987

High School Graduation (Abitur)