Gréanne Leeftink is an assistant professor within the department Industrial Engineering and Business Information Systems, in the CHOIR research center at the University of Twente (Enschede).

Gréannes research focus is on healthcare process optimization, with a specific interest in cancer care and diagnostic processes, using Operations Management/Operations Research techniques.

In 2017, GrĂ©anne completed her PhD with CHOIR, as well as University Medical Center Utrecht. As part of her PhD program, she visited Rochester’s Mayo Clinic (USA) for a 3 month research visit, on a scholarship of Prins Bernard Cultuurfonds. The focus of her PhD was on the optimization of the shared resources involved in oncology related health care processes, based on a personal NWO talent grant, and resulted in her thesis Why wait? Organizing integrated processes in cancer care.

Expertise

  • Medicine and Dentistry

    • Diagnosis
    • Esophageal Cancer
    • Laboratory
    • Survival
    • Therapeutic Procedure
  • Nursing and Health Professions

    • Time
    • Hospital
  • Computer Science

    • Scheduling

Organisations

Publications

2025

Nursing activities and associated workload of nurses in virtual care centres: A multicentre observational study (2025)PLOS Digital Health, 4(8). Article e0000974 (E-pub ahead of print/First online). Leenen, J. P. L., Lok-Visser, J., Vollenbroek, C., Sonneveld, H., Van Houwelingen, T. & Leeftink, G.https://doi.org/10.1371/journal.pdig.0000974Consensus-based development and practice testing of a generic quality indicator set for parenteral medication administration at home: A RAND appropriateness method study (2025)BMJ open, 15(7). Article e090496. Lok-Visser, J., Hunneman, R., Bekkers, C. H. J., Filius, P. M. G., Lenferink, A., Leeftink, G. & Maring, J. G.https://doi.org/10.1136/bmjopen-2024-090496Bed 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.2024.103262Inter-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/10.1080/20476965.2025.2467643Stretching Boundaries: Nurses’ Perceptions on Job Demands and Resources in Hospital Float Pools (2025)Journal of nursing management, 2025(1). Article 5468634. Fischer, C., Leeftink, G. & Lenferink, A.https://doi.org/10.1155/jonm/5468634

2024

A prospective cost analysis model for financial impact of Connected Care interventions on hospitals’ budget (2024)Health policy and technology, 13(6). Article 100926. Lok-Visser, J., Leenen, J. P. L., den Hertog, H. M., van Vemde, G., Rekveldt, J., van den Berg, J. W. K., Patijn, G. A., Cornelisse-Vermaat, J. R., Leeftink, G. & Maring, J. G.https://doi.org/10.1016/j.hlpt.2024.100926Criteria-based outpatient scheduling at a nephrology clinic: prospective evaluation of patient pre-assessment and its corresponding adaptive scheduling strategy (2024)BMC health services research, 24. Article 1145. Klaas, R., Lok-Visser, J., Doornebal, J., Roelofs, T., Rachuba, S. & Leeftink, G.https://doi.org/10.1186/s12913-024-11615-7Distributionally 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.2024.106641Procesoptimalisatie van logistiek in de VVT (2024)[Non-textual form › Web publication/site]. ICT&health. Boucherie, R. J. & Leeftink, G.https://icthealth.nl/magazine/editie-3-2024/procesoptimalisatie-van-logistiek-in-de-vvt

Research profiles

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