Ravelijn

prof.dr.ir. E.W. Hans (Erwin)

Full Professor
BMS-HBE-IEBIS
Ravelijn 3345
e.w.hans@utwente.nl
+31534893523
Business card

Prof.dr.ir. Erwin W. Hans is a full professor Operations Management in Healthcare. He is co-founder of research center CHOIR (Center for Healthcare Operations Improvement & Research). His research interests are healthcare operations management, healthcare operations research, capacity management, planning and scheduling. He is a lecturer within various graduate and undergraduate programs within University of Twente.

For more info about Erwin Hans on the 'Featured Scientists' page, click below:

Expertise

  • Computer Science

    • Models
    • Scheduling
    • Heuristics

  • Nursing and Health Professions

    • Patient
    • Hospital

  • Social Sciences

    • Health Care
    • Planning
    • Hospitals

Organisations

Publications

2025

Decision Making Under Uncertainty in Healthcare (2025)[Thesis › PhD Thesis - Research UT, graduation UT]. University of Twente. Bos, H.https://doi.org/10.3990/1.9789036566391Bed census prediction combining expert opinion and patient statistics (2025)Omega, 133. Article 103262. Bos, H., Baas, S., Boucherie, R. J., Hans, E. W. & Leeftink, G.https://doi.org/10.1016/j.omega.2024.103262Transdisciplinary perspectives on waiting for healthcare services in South Africa (2025)[Thesis › PhD Thesis - Research UT, graduation UT]. University of Twente. van Zyl-Cillie, M. M.https://doi.org/10.3990/1.9789036564380Inter-organizational pooling of NICU nurses in the Dutch neonatal network: a simulation-optimization study (2025)Health care management science, 28(1), 64-83. Article 100695. Leeftink, G., Morris, K., Antonius, T., de Vries, W. & Hans, E.https://doi.org/10.1007/s10729-025-09697-8A chance-constrained program for the allocation of nurses in acute home healthcare (2025)Health systems (E-pub ahead of print/First online). Lok-Visser, J., Bos, H., Hans, E. W. & Leeftink, G.https://doi.org/10.1080/20476965.2025.2467643

2024

Fifty years of operational research applied to healthcare: Invited Review in Celebration of the 50th Anniversary of EURO (2024)European journal of operational research, 326(2), 189-206 (E-pub ahead of print/First online). Beliën, J., Brailsford, S., Demeulemeester, E., Demirtas, D., Hans, E. W. & Harper, P.https://doi.org/10.1016/j.ejor.2024.12.040Enhancing pharmaceutical cold supply chain: integrating medication synchronization and diverse delivery modes (2024)International transactions in operational research (E-pub ahead of print/First online). Potters, E., Mosalla Nezhad, B., Bernard, V. J., Hans, E. & Asadi, A.https://doi.org/10.1111/itor.13589Strategic placement of volunteer responder system defibrillators (2024)Health care management science, 27, 503–524. Buter, R., Nazarian, A., Koffijberg, H., Hans, E. W., Stieglis, R., Koster, R. W. & Demirtas, D.https://doi.org/10.1007/s10729-024-09685-4Building organizational resilience through operational excellence: A systematic literature review and qualitative study (2024)[Contribution to conference › Paper] 31st International Annual EurOMA Conference 2024. Brauel, K., van Dun, D. H. & Hans, E. W.Distributionally robust scheduling of stochastic knapsack arrivals (2024)Computers & operations research, 167. Article 106641. Bos, H., Boucherie, R. J., Hans, E. W. & Leeftink, G.https://doi.org/10.1016/j.cor.2024.106641

Research profiles

Lecturer for the Industrial Engineering & Management and Health Science BSc and MSc programmes.

Lecturer for the Leadership Honors Programme

Lecturer for post-academic courses for healthcare professionals.

Affiliated study programs

Courses academic year 2025/2026

Courses in the current academic year are added at the moment they are finalised in the Osiris system. Therefore it is possible that the list is not yet complete for the whole academic year.

Courses academic year 2024/2025

Courses academic year 2023/2024

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