Editor in Chief, Journal of Global Optimizstion (since 2013)
Series Editor, SpringerBriefs in Optimization (since 2015)
Editorial Board Member, Journal of Combinatorial Optimization (since 2007)
Editorial Board Member, Optimization Letters (since 2006)
Editorial Board Member, Computational Management Science (since 2005)
Editorial Board Member, Energy Systems (since 2015)
Editorial Board Member, Computational Social Networks (since 2015)
Editorial Board Member, Operations Research Forum (since 2019)
Co-organizer of the conference on Optimization, Analytics, and Decisions in the Big Data Era, Halkidiki, Greece, June 16-21, 2024
Co-organizer of the Fourth ACM International Workshop on Critical Infrastructure Network Security (CINS), in conjunction with ACM SIGMETRICS, Beijing, China, June 14, 2021 (online)
Co-organizer of Global Optimization Conference (GOC-2017), College Station, TX, March 30-April 1, 2017
Co-organizer of Texas Optimization Day, College Station, TX, April 4, 2016
Co-organizer of the conference on Optimization, Control, and Applications in the Information Age, Chalkidiki, Greece, June 15-20, 2014
Co-organizer of NATO Advanced Research Workshop: Examining Robustness and Vulnerability of Critical Infrastructure Networks, Kyiv, Ukraine, June 3-5, 2013.
Co-organizer of Yalta Optimization Conference: Network Science, Yalta, Ukraine, August 2-4, 2010
Co-organizer of Yalta Conference on Discrete and Global Optimization, Yalta, Ukraine, July 31 - August 2, 2008
Co-organizer of DIMACS Workshop on Clustering Problems in Biological Networks, Rutgers University, Piscataway, NJ, May 9-11, 2006
Co-organizer of International Conference on Applied Optimization and Metaheuristic Innovations, Yalta, Ukraine, July 19-21, 2006