Halil Ibrahim Demir received his B.Sc. degree in Industrial Engineering from Bilkent University, Ankara, Turkey, in 1993. He obtained his M.Sc. degree in Industrial Engineer-ing from Lehigh University, Bethlehem, PA, USA, in 1997, supported by a full scholarship from the Ministry of National Education of Turkey. He completed his Ph.D. in Industrial Engineering in 2005. He is currently an Associate Professor in the Department of Industri-al Engineering at Sakarya University, Turkey. His research interests include production planning and scheduling, operations research applications, simulation, and artificial in-telligence–based optimization methods, with a particular focus on metaheuristic and evo-lutionary algorithms.