1979JSD Yale Law School
1976Universitätsdozent (venia legendi) University of Salzburg
1972Diploma in International Law University of Cambridge
1970LLB University of Cambridge, redesignated LL.M. in 1986
1966Dr. iur. University of Vienna


Since March 2015ZFZ Zeiler Rechtsanwälte: Of Counsel
2009 - 2015Wolf Theiss Attorneys at Law: Of Counsel
October 2000–September 2009University of Vienna, School of Law, Department of International Law and International Relations: Professor of Law
July 1992 – June 2000School of Advanced International Studies, The Johns Hopkins University: Edward B. Burling Professor of International Law and Organization; Director: International Law and Institutions
September 1970 – Sep. 2000University of Salzburg, School of Law, Department of International Law: Professor of Law (January 1978-Sept. 2000); Head of Department (October 1982 – June 1986); Universitätsdozent (Associate Professor) (June 1976 – January 1978); Universitätsassistent (Assistant Professor) (September 1970 – May 1976)

International Arbitration

  • Member, Permanent Court of Arbitration (2008-2014)
  • Member, ICSID Panel of Conciliators and Arbitrators
  • Chairman, ILA Committee on the Law of Foreign Investment (2003-2008)
  • Member, International Arbitration Institute
  • Member, LCIA Users´Council
  • Arbitrator in ICSID and UNCITRAL arbitrations
  • Numerous legal opinions in ICSID and non-ICSID investment arbitrations
  • Designated as appointing authority by the Secretary-General of the Permanent Court of Arbitration in an UNCITRAL arbitration

List of principal Publications


  • Die Behandlung internationaler Organakte durch staatliche Gerichte 381 pp. (Duncker & Humblot, 1977).
  • Decisions of International Institutions before Domestic Courts 407 pp. (Oceana 1981).
  • State Immunity. Some Recent Developments, 200 pp. (Grotius, 1988).
  • Principles of International Investment Law, 484 pp. with R. Dolzer and U. Kriebaum (3rd edition, Oxford University Press, 2022).
  • The ICSID Convention: A Commentary, 1466 pp. ( Cambridge University Press, 2001).
  • Second Edition with L. Malintoppi, A. Reinisch & A. Sinclair, 1524 pp. (Cambridge University Press, 2009).
  • Third Edition: Schreuer’s Commentary on the ICSID Convention, 2000 pp. S.W. Schill, General Editor (Cambridge University Press 2022).
  • International Protection of Investments: The Substantive Standards, 1056 pp. with A. Reinisch (Cambridge University Press, 2020).
  • Over 100 articles on a variety of subjects of international law.
  • Numerous articles on international investment law.

Numerous Unpublished Legal Opinions dealing with international investment arbitration