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Personal profile


Dilek Önkal is Professor of Business Information Systems and Analytics at Newcastle Business School and is Chair of the Steering Group for Human & Digital Design MDRT at Northumbria.  She is an Honorary Research Fellow at UCL.  Prof. Önkal received her B.A. from Boğaziçi University and her Ph.D. from the University of Minnesota, where she taught prior to joining Bilkent University in 1988. She was an academic visitor at Oxford University Department of Economics and an associate member of the Nuffield College during 2006-2007.  Prof. Önkal previously held positions of Associate Dean of Research and Knowledge Transfer and Professor of Decision and Organisational Science at the Faculty of Management & Law at University of Bradford, Dean of the Faculty of Economics, Administrative and Social Sciences at Bilkent University and Chair of Supply Chain Management and Director of OASIS (Operations and Supply Chain Systems) Research Centre at Brunel Business School, Brunel University. She was Co-Editor of the International Journal of Forecasting (Elsevier) during 2015-2019, and is a member of the Editorial Boards of Futures and Foresight Science (Wiley) and Forecasting (MDPI).  Her research focuses on judgmental forecasting, judgment and decision making, forecasting/decision support systems, behavioral operations management,  risk perception and risk communication with a strong emphasis on multi-disciplinary interactions. Her work has appeared in journals such as Organizational Behaviour and Human Decision Processes, European Journal of Operational Research, Decision Sciences, Risk Analysis, International Journal of Forecasting, Decision Support Systems, Judgment and Behavioral Decision Making, Journal of Forecasting, Omega, Foresight: The International Journal of Applied Forecasting, Frontiers in Finance and Economics, International Federation of Technical Analysts Journal, and Journal of Business Ethics,  along with various book chapters. She is a reviewer for grant councils such as the Economic & Social Research Council, The British Academy, European Science Foundation and Hong Kong Research Grants Council in addition to many psychology, economics and business journals.

Education/Academic qualification

Management Science, PhD, University of Minnesota Twin Cities

Award Date: 1 Jun 1988

Business Administration, BA (Hons), Bogazici University

Award Date: 13 Jun 1982

External positions

University College London

1 Mar 2016 → …

University of Bath

1 Jan 20091 Sep 2018


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  • Forecasting: theory and practice

    Petropoulos, F., Apiletti, D., Assimakopoulos, V., Babai, M. Z., Barrow, D. K., Taieb, S. B., Bergmeir, C., Bessa, R. J., Bijak, J., Boylan, J. E., Browell, J., Carnevale, C., Castle, J. L., Cirillo, P., Clements, M. P., Cordeiro, C., Oliveira, F. L. C., Baets, S. D., Dokumentov, A., Ellison, J. & 60 others, Fiszeder, P., Franses, P. H., Frazier, D. T., Gilliland, M., Gonul, M. S., Goodwin, P., Grossi, L., Grushka-Cockayne, Y., Guidolin, M., Guidolin, M., Gunter, U., Guo, X., Guseo, R., Harvey, N., Hendry, D. F., Hollyman, R., Januschowski, T., Jeon, J., Jose, V. R. R., Kang, Y., Koehler, A. B., Kolassa, S., Kourentzes, N., Leva, S., Li, F., Litsiou, K., Makridakis, S., Martin, G. M., Martinez, A. B., Meeran, S., Modis, T., Nikolopoulos, K., Onkal, D., Paccagnini, A., Panagiotelis, A., Panapakidis, I., Pavía, J. M., Pedio, M., Pedregal, D. J., Pinson, P., Ramos, P., Rapach, D. E., Reade, J. J., Rostami-Tabar, B., Rubaszek, M., Sermpinis, G., Shang, H. L., Spiliotis, E., Syntetos, A. A., Talagala, P. D., Talagala, T. S., Tashman, L., Thomakos, D., Thorarinsdottir, T., Todini, E., Arenas, J. R. T., Wang, X., Winkler, R. L., Yusupova, A. & Ziel, F., 3 Nov 2021, (Accepted/In press) In: International Journal of Forecasting.

    Research output: Contribution to journalArticlepeer-review

  • Variability in forest visit numbers in different regions and population segments before and during the COVID-19 pandemic

    Pichlerová, M., Onkal, D., Bartlett, A., Výbošťok, J. & Pichler, V., 26 Mar 2021, In: International Journal of Environmental Research and Public Health. 18, 7, 10 p., 3469.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    1 Citation (Scopus)
    5 Downloads (Pure)
  • Behavioral implications of demand perception in inventory management

    Onkal, D., Kocabiyikoglu, A., Gonul, M. S. & Gogus, I., 2020, Behavioral Operational Research: A Capabilities Approach. White, L., Kunc, M., Burger, K. & Malpass, J. (eds.). Cham: Palgrave Macmillan, p. 23-40

    Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

    Open Access
  • Judgmental adjustments and scenario use: Individual versus group forecasts

    Onkal, D., Gonul, M. S. & Goodwin, P., 27 Oct 2020.

    Research output: Contribution to conferencePaperpeer-review

    Open Access
    29 Downloads (Pure)
  • M4 Competition: What’s Next

    Onkal, D., 1 Jan 2020, In: International Journal of Forecasting. 36, 1, p. 206-207 2 p.

    Research output: Contribution to journalComment/debatepeer-review

    Open Access
    2 Citations (Scopus)
    5 Downloads (Pure)