Lamberto Zannier

Ambassador, High-Level Expert

Lamberto Zannier 1Ambassador Zannier joined the International Secretariat on 1 September 2020. He is a retired career diplomat with high-level experience in the Italian Foreign Service and in International Organizations. Before joining the OSCE PA in September 2020, he served as OSCE High Commissioner on National Minorities (2017 - 2020), OSCE Secretary General (two consecutive terms 2011 - 2017), UN Special Representative for Kosovo and Head of the United Nations Interim Administration Mission in Kosovo (UNMIK) - with the rank of UN Under-Secretary-General (2008 - 2011), Coordinator for European Common Foreign and Security Policy in the Italian MFA (2006 - 2008), Director of the OSCE Conflict Prevention Centre (2002 - 2006). Previous senior positions include Representative of Italy to the OPCW, Chairperson of the negotiations on the adaptation of the Treaty on Conventional Armed Forces in Europe, and Head of Disarmament, Arms Control and Cooperative Security at NATO. He held other diplomatic postings in Rome, Abu Dhabi and Vienna.

He is author of several publications on international affairs, conflict prevention and crisis management issues, and holds a Law degree as well as an advanced degree in international relations from Societa’ Italiana per le Organizzazioni Internazionali in Rome and an honorary doctorate in International and Diplomatic Sciences from the University of Trieste, Italy.


Andreas Nothelle

Legal and Procedural Advisor

ISV Andreas NothelleA senior civil servant and lawyer focusing on constitutional and international law, Ambassador Nothelle (Germany) served for over 18 years on a wide range of posts in the German Bundestag, including as Head of the Secretariats of the Committees on Disarmament and Arms Control and on Labour and Social Affairs, the Office of a former President, and the Interparliamentary Affairs Division.

Nothelle also gained extensive political experience on a number of political posts. He participated as an expert in assistance programmes for parliaments in Central and Eastern Europe, Africa, Latin America and China. Having studied law and administrative science in Bonn, Geneva, Speyer and The Hague, he is the author of several publications.

He joined the OSCE PA International Secretariat in 2002. He has served on some 50 OSCE PA election observation missions, in addition to his functions in the Vienna Liaison Office. Representing the OSCE PA at the seat of the OSCE in Vienna, speaking and engaging on its behalf in the context of governmental-based platforms and executive structures, including the Permanent Council, the Forum for Security Co-operation, as well as other OSCE meetings and conferences. Since January 2020, he has served as Acting Deputy Secretary General of the OSCE PA. 

Sinse October 2021 he serves as a Consultant and Legal and Procedural Advisor.

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