Claudia Annacker

Lawyer information

Practice Areas

Dr. Claudia Annacker focuses her practice on international arbitration and litigation and public international law matters, in particular investor-State disputes, inter-State disputes, disputes involving international organizations and human rights cases. She has represented states and investors in more than 30 investment treaty arbitrations and regularly advises investors on structuring their investments to benefit from, or improve, investment treaty protections.

Dr. Annacker is an adjunct professor at the University of Vienna, where she teaches advanced research seminars in international responsibility and international dispute settlement and has been a visiting professor at the Paris Ouest Nanterre La Défense University. She has published widely in the fields of international arbitration and public international law.

Professional Memberships

Court of Arbitration of the Singapore International Arbitration Centre

Board of the Vienna International Arbitral Centre

Energy Charter Treaty Legal Advisory Task Force

Board of Trustees of the Foundation of International Arbitration Advocay

American Society of International Law

European Society of International Law

German Society of International Law

International Law Association