Professor of Law, University of Hamburg, 1984. Visiting Professor: University of Chicago Law School, 1984; University of Michigan Law School/Ann Arbor, 1986-1987. Author of numerous books and articles including, e.g.: Public Services and the Internal Market, in: Einhorn (ed.): Spontaneous Order, Organization and the Law, Liber Amicorum Mestmäcker, p. 41-64, 2003; Die private Durchsetzung von WTO-Recht (Private Enforcement of WTO Law), in: Nowak/Cremer (eds.), Individualrechtsschutz in der EG und der WTO (Protection of Individual Rights under EC and WTO Law), p. 201-220, 2002; Centros and the Proper Law of Companies, in: Ferrarini/Hopt/Wymeersch, Capital Markets in the Age of the Euro, p. 503-527, 2002; The Institutional Architecture of Global Financial Markets, 6 Maastricht Journal of European and Comparative Law, p. 271-298, 1999; Corporate Governance, in: Basedow et al. (eds.), Festschrift Drobnig, p. 491-506, 1998; Die Gesellschaft mit beschränkter Haftung im internationalen und europäischen Recht (on Limited Liability Companies in EC Member States), 2nd edition, 1997; Probleme der zentralen und dezentralen Anwendung der Wettbewerbsregeln der Gemeinschaft (Problems of Centralized and Decentralized Enforcement of the Competition Rules of the European Community), in: Due/Lutter/Schwarze (eds.), Festschrift Everling, p. 83-101, 1995; Merger Control: Conflicts between the E.E.C. and the U.S.A., in: Kantzenbach/Scharrer/Wavermann (eds.), Competition Policy in an Interdependent World Economy, Hamburg, Volume 3, 1993, 165-184.