The 15th IEEE/IFIP Network Operations and Management Symposium (NOMS 2016) will be held 25-29 April 2016 at İstanbul Technical University, Süleyman Demirel Kültür Merkezi, Istanbul, Turkey. Held in even-numbered years since 1988, NOMS 2016 will follow the 28 years tradition of NOMS and IM as the primary IEEE Communications Society's forum for technical exchange on management of information and communication technology focusing on research, development, integration, standards, service provisioning, and user communities. NOMS 2016 will focus on the theme "Managing Everything toward a Secure, Smart, and Hyperconnected World", presenting recent, emerging approaches, and technical solutions for dealing with future network and ICT infrastructures, as well as with novel services provided in smart and hyperconnected environments (e.g., smart cities, Internet of Things).