Civil Society CTBTO Youth Group 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. 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. CTBT Young Professionals Network The CTBT Young Professionals Network (YPN) is a community of young scientists and technical professionals working on monitoring and verification of the Comprehensive Nuclear-Test-Ban Treaty (CTBT). The CTBT Young Professionals Network (YPN) is a community of young scientists and technical professionals working on monitoring and verification of the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Group of Eminent Persons [GEM] The Group of Eminent Persons comprises powerful individuals and internationally recognized experts who ensure an innovative and focused approach to advance the CTBT’s ratification by the remaining Annex 2 States. The Group of Eminent Persons comprises powerful individuals and internationally recognized experts who ensure an innovative and focused approach to advance the CTBT’s ratification by the remaining Annex 2 States.