Alexander Kmentt is an Austrian career diplomat and the Director of the Department for Disarmament, Arms Control and Non-proliferation in the Austrian Foreign Ministry. He has worked extensively on disarmament and non-proliferation issues and is one of the architects of the initiative on the humanitarian impact of nuclear weapons and the Treaty on the Prohibition of Nuclear Weapons (TPNW). In 2019-20 he was on a sabbatical as a Senior Visiting Research Fellow at King’s College, London, after having served as Austrian Permanent Representative to the Political and Security Committee of the European Union since 2016. His book The Treaty on the Prohibition of Nuclear Weapons: How it was achieved and why it matters will be published in Spring 2021 by Routledge Taylor & Francis Group.