The CTBTO Youth Group was launched at the symposium on “Science and Diplomacy for Peace and Security: the CTBT@20“, held in Vienna, Austria, from 25 January to 4 February 2016. The importance of engaging youth was one of the main outcomes of the symposium Twenty years after the opening for signature of the Comprehensive Nuclear-Test-Ban Treaty (CTBT), the young generation’s involvement is key to advancing the Treaty’s entry into force. The CTBTO Youth Group is open to all students and young professionals who are directing their careers towards global peace and security and who wish to actively promote the CTBT and its verification regime. CTBTO Youth Group Objectives: MENTOR the diverse group of CYGs REVITALISE the discussion around the CTBT among former, current, and emerging decision-makers, scientists, academics, experts, and the media RAISE AWARENESS of the importance of the nuclear-test-ban on a global level BUILD a basis for knowledge transfer to the next generation INVOLVE new technologies in advancing the CTBT’s universalization and entry-into-force PLACE the CTBT on the agenda of the world’s most important nuclear-related events INCREASE young women interest in science and research