· LeGO 2018 – the 14th International Workshop on Global Optimization, Leiden, The Netherlands, September 18-21, 2018, Co-Chair
· International Conference and School “High-Performance Computing, Optimization and Applications”, Nizhni Novgorod, Russia, September 7-11, 2017, Co-Chair
· Learning and Intelligent Optimization LION-11, Nizhni Novgorod, Russia, June 19-21, 2017, General Chair
· International Conference and School “High-Performance Computing, Optimization and Applications”, Nizhni Novgorod, Russia, November 7-11, 2016, Co-Chair
· The 2nd International Conference and Summer School “Numerical Computations: Theory and Algorithms”, June 19-25, 2016, Italy, Chair of the Scientific Committee
· International Conference and School “High-Performance Computing, Optimization and Applications”, Nizhni Novgorod, Russia, November 16-20, 2015, Co-Chair
· Numerical Computations: Theory and Algorithms (International Conference and Summer School NUMTA2013), 17–23 June 2013, Eurolido Hotel, Falerna (CZ), Tyrrhenian Sea, Italy, Chair of the Scientific Committee
· International Workshop “Infinite and Infinitesimal in Mathematics, Computing, and Natural Sciences”, May 17-21, 2010, Cetraro, Italy, Chair of the Scientific Committee
· Summer School “Numerical Methods for Local and Global Optimization: Sequential and Parallel Algorithms”, July 14-20, 2003, Cortona, Italy, Co-Chair
· Materials related to the visit of Professor Yuri Matiyasevich c/o DEIS, (26.10.2008 – 04.11.2008)