Independent Arbitrator and Cousel (Annacker International Disputes); focuses 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; represented states and investors in more than 35 investment treaty arbitrations; acts as arbitrator and was appointed to the ICSID Panel of Arbitrators in 2020; adjunct professor at the University of Vienna, visiting professor at the Paris Ouest Nanterre La Défense University.

She has published widely in the fields of international arbitration and public international law.