| 11/2017-11/2020: | Director Institute of Applied Mathematics (IAM), Middle East Technical University (METU), 06800 Ankara, Turkey |
| 06/2017-present: | Member of Faculty (Prof. Dr.) Institute of Applied Mathematics (IAM), Middle East Technical University (METU), 06800 Ankara, Turkey |
| 02/2015-12/2017: | Chair of Scientific Computing Program Institute of Applied Mathematics (IAM), Middle East Technical University (METU), 06800 Ankara, Turkey |
| 07/2011-06/2017: | Member of Faculty (Assoc. Prof. Dr.) Institute of Applied Mathematics (IAM), Middle East Technical University (METU), 06800 Ankara, Turkey |
| 03/2011-11/2017: | Chair of Financial Mathematics Program Institute of Applied Mathematics (IAM), Middle East Technical University (METU), 06800 Ankara, Turkey |
| 2008-2011: | Member of Faculty (Assist. Prof. Dr.) Institute of Applied Mathematics (IAM), Middle East Technical University (METU), 06800 Ankara, Turkey |
| 10/2008-03/2009: | Visiting Professor Department of Mathematics, Technical University of Kaiserslautern (TU-KL), Kaiserslautern, Germany |
| 2003-2008: | Member of Faculty (Instructor) Institute of Applied Mathematics (IAM), Middle East Technical University (METU), 06800 Ankara, Turkey |
| 02/2007-09/2007: | Visiting Professor Department of Mathematics, Technical University of Kaiserslautern (TU-KL), Kaiserslautern, Germany |
| 2002-2003: | Part-Time Instructor Department of Mathematics, Middle East Technical University (METU), 06800 Ankara, Turkey |
| 1995-2002: | Research Assistant Department of Mathematics, Middle East Technical University (METU), 06800 Ankara, Turkey |
