Judith Knieper is a legal officer at the Secretariat of the United Nations Commission on International Trade Law (UNCITRAL) in Vienna. She is the Secretary of Working Group II on Dispute Settlement, also services Working Group III on Investor-State Dispute Settlement Reform and is responsible for Mediation.

Until her appointment to the Secretariat, she had been working in South East Europe from 1998 -2013 for numerous donors/organizations, e.g. OSCE, CoE, Worldbank and GIZ, the Deutsche Gesellschaft für Internationale Zusammenarbeit, the German international cooperation.

She obtained both Legal State Exams in Frankfurt, Germany as well as her PhD and is also qualified and certified as a Mediator.