Internship in Bonn, Cologne and Brussels, 1993-1995. Research Fellow, Bonn University's Institute for Civil and Latin Law, 1995-2001. Lawyer with Kunz Rechtsanwalte, 2001-2005. Author: Essays in various professional journals about credit and property law; lectures on the German Law of Obligations Reform. Monograph "Das Besitzlose Pfandrecht," Koln Weimar, 2005. Co-Author: "Edition der Materialien zur Entstehungsgeschichte des BGB (Jakobs/Schubert), Erbrecht Bd. 1 and 2 Berlin 2002. Collaboration with: Landsberg/Lulling," Umwelthaftungsrecht," Köln, 1991; Altmeppen, Abschied vom qualifiziert im Recht," Stuttgart usw 2000 (after Co-Organization of the Bonn Congress of the Association of Young Civil Law Scholars, 1999).