Prof. (em) Dr. Bernd-Rüdeger Sonnen, University of Hamburg, Faculty of Law

Past president, German National Juvenile Court Judges Association (DVJJ)1998-2010, numerous Juvenile Justice expert opinions for the German Federal Government, Member of The German Parliaments (Deutscher Bundestag) Expert Group regarding maltreatment and abuse in Youth Residential Institutions from the 1950ies - 70ies.

Many international appearances as an international presenter, such as

-IAYFJM World Conference in Melbourne/Australia 2002

-European Society of Criminology Annual Conference in Tuebingen/Germany 2010

-Annual Tri-State (Germany, Austria, Switzerland) Conference of Kriminologische Gesellschaft, Fribourg/Switzerland, 2014

-Annual Tri-State (Germany, Austria, Switzerland) Conference of Kriminologische Gesellschaft, Köln 2015

-Experts Opinion at Swiss Conference on Juvenile Justice, Zuerich 2015

-Experts Opinion at International Experts Hearing on Juvenile Justice Reform Issues in Ankara/Turkey,. 2012, together with Petra Guder

His scholarly work and research appears in various edited books and journals.