Profile

Christos Zacharias is an Associate Professor of Management Science at the University of Miami Herbert Business School. He received his PhD in Operations Management from Stern School of Business at New York University, and his BSc in Mathematics from the University of Athens. His research focuses on designing and optimizing service operations, with an emphasis on healthcare delivery. Broader areas of expertise include Stochastic Modeling, Applied Probability, Discrete Optimization, Dynamic Programming.

Résumé

Available here.

Selected Working Papers

  • Impact of Telehealth on Appointment Adherence in Ambulatory Care, with M. Kamalahmadi and H. Gitlow. Under review. Manuscript available upon request.

  • Appointment Scheduling of Non-Punctual Patients, with Ganggang Xu and Shubo Sun. Under review. Manuscript available upon request.

  • Convexity in Transient Queues and Implications on Optimal Appointment Scheduling, with Alex Kuiper. Manuscript available upon request.

Publications

  • Zacharias, C., N. Liu and M.A. Begen. 2024. Dynamic Interday and Intraday Scheduling. Operations Research 72(1) 317–335. (available here)
    video presentation

  • Zacharias, C. and T. Yunes. 2020. Multimodularity in the Stochastic Appointment Scheduling Problem with Discrete Arrival Epochs. Management Science 66(2) 744-763. (available here)
    Runner-up, ''2018 College of Healthcare Operations Management Best Paper Competition''.
    3-minute YouTube video available here.

  • Zacharias, C. and M. Armony. 2017. Joint Panel Sizing and Appointment Scheduling in Outpatient Care. Management Science 63(11) 3978–3997. (available here)

  • Zacharias, C. and M. Pinedo. 2017. Managing Customer Arrivals in Service Systems with Multiple Identical Servers. Manufacturing & Service Operations Management 19(4) 639-656. (available here)
    First prize, ``2014 INFORMS Service Science Section Best Paper Award''.

  • Zacharias, C. and M. Pinedo. 2014. Appointment Scheduling with No-Shows and Overbooking. Production and Operations Management 23(5) 788-801. (available here)

  • Pelechrinis, K., C. Zacharias, M. Kokkodis and T. Lappas. 2017. Economic Impact and Policy Implications from Urban Shared Transportation: The Case of Pittsburgh’s Shared Bike System. PLoS ONE 12(8) e0184092. (available here)

  • Pinedo, M., C. Zacharias and N. Zhu. 2015. Scheduling in the Service Industries: An Overview. Journal of Systems Science and Systems Engineering 24(1) 1-48. (available here)

Miscellaneous

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Contact Info

Department of Management Science
5250 University Drive
Suite 410 K.E.
Coral Gables, FL 33146, USA

czacharias [at] bus [dot] miami [dot] edu