I did my undergraduate and M.S. in Istanbul at Bogazici University, Dept. of IE. I received my Ph.D. in New York from Columbia University, Dept. of IEOR.
After Columbia, I spent a year at CORE (Belgium) and two years at Cornell University, School of ORIE as a visiting scientist. Before joining the Math Sciences Department at IBM in 2000, I was working at AT&T Labs.
Mixed-integer programming, combinatorial optimization, multicommodity flows.
Modeling, optimization and computation, especially applied to logistics, routing, workforce scheduling and network design.
Production planning, limousine fleet scheduling, container port optimization, vehicle routing and fleet scheduling with time-windows, classroom scheduling, oil pipeline batch sequencing and flow rate optimization, site selection in agriculture.
Associate Editor, Networks (2004-2015), Math. Programming Computation (2008- ), Operations Research (2011- )
Editorial Board, MOS/SIAM Book Series on Optimization (2008-2014)
Steering Committee, IPCO (2016- )
Chair of Organizing Committee, IPCO 2011.
Vice Chair for Integer Programming, INFORMS Optimization Society (2009-2011)
Panel member for the National Science Foundation.