July 2020 – Present: Professor, Department of Industrial and Systems Engineering, Rutgers University.

July 1995 – June 2020: Associate Professor, Department of Industrial and Systems Engineering, Rutgers University.

July 1988 – June 1995: Assistant Professor, Department of Industrial and Systems Engineering, Rutgers University

June 2006 – Present: Member, SYCON, the Rutgers Center for Systems and Control

May 2007 – Present: Member, RUTCOR, the Rutgers Center for Operations Research

June-August, 2000 - 2005: Visiting Professor, Department of Industrial Engineering, Bogazici University, İstanbul, Turkey.

February 1998 – August 1998: Visiting Professor, Department of Industrial Engineering, Bogazici University, İstanbul, Turkey.

July 1992: Visiting Professor, Department of Electrical Engineering, Bilkent University, Turkey; supported by United Nations, TOKTEN Programme.