Juan Enrique Martínez-Legaz is an emeritus professor at the Department of Economics of the Universitat Autònoma de Barcelona (UAB). He received his Ph.D. degree in Mathematics from the Universitat de Barcelona (UB) in 1981. After working as an associate professor at UB, he moved to UAB in 1990, where he was appointed full professor in 1993. He was the Editor-in-Chief of the journal Optimization (Taylor & Francis) during the period 2006-2012. He belongs to the editorial boards of several journals, including the Journal of Convex Analysis, the Journal of Global Optimization, the Journal of Optimization Theory and Applications, Minimax Theory and its Applications, Operations Research Forum, Optimization, and TOP-Transactions in Operations Research. His research interests include convexity and its generalizations, monotone operators, optimization theory, and mathematical economics. In 2011, he was appointed EUROPT Fellow as well as doctor honoris causa of the Universidad Nacional de Ingeniería (Lima, Peru).