Prof. LONG, Zhuoyu, Daniel 龍 卓 瑜 教授

Prof. LONG, Zhuoyu, Daniel 龍 卓 瑜 教授

Prof. LONG, Zhuoyu, Daniel 龍 卓 瑜 教授
Associate Professor
BS (Tsinghua University)
MSc (Chinese Academy of Science)
PhD (National University of Singapore)

Research Interests :
* Supply chain risk management
* Project management
* Inventory control
* Target-based risk management
* Robust optimization

Office: Room 605, William M.W. Mong Engineering Building
Tel: (852) 3943-8330


Daniel Z. Long received his bachelor degree from Tsinghua University in 2005, the master degree from Chinese Academy of Science in 2008, and the Ph.D. degree from the Department of Decision Sciences, National University of Singapore in 2013. His current research revolves around distributionally robust optimization, risk management, and various applications on operations management such as logistics and supply chain management.

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Selected Publications

  • X. Cai, D.Z. Long, G. Yu, L. Zhang. “Multi-portfolio Optimization: A Fairness-aware Target-oriented Model”, Manufacturing and Service Operations Management, forthcoming, 2024. (link)
  • D. Z. Long, J. Qi, A. Zhang. “Supermodularity in Two-Stage Distributionally Robust Optimization”, Management Science, 70(3): 1394-1409, 2024. (link)
  • Z. Cui, J. Ding, D. Z. Long, L. Zhang. “Target-based Resource Pooling Problem”, Production and Operations Management, 32(4): 1187-1204, 2023. (link)
  • Z. Cui, D. Z. Long, J. Qi, L. Zhang. “The Inventory Routing Problem under Uncertainty”, Operations Research, 71(1): 378-395, 2023. (link)
  • D. Z. Long, M. Sim, M. Zhou. “Robust Satisficing”, Operations Research, 71(1): 61-82, 2023. (link)
  • V. T. F. Chow, Z. Cui, D. Z. Long. “Target Oriented Distributionally Robust Optimization and Its Applications to Surgery Allocation”, INFORMS Journal on Computing, 34(4): 2058-2072, 2022. (link)
  • A. J. Conejo, N. G. Hall, D. Z. Long, R. Zhang. “Robust Capacity Planning for Project Management”, INFORMS Journal on Computing, 33(4): 1533-1550, 2021. (link)
  • J. Zhang, D. Z. Long, R. Wang, C. Xie. “Impact of Penalty Cost on Customers’ Booking Decisions”, Production and Operations Management, 30(6): 1603-1614, 2021. (link)
  • X. Chen, D. Z. Long, J. Qi. “Preservation of Supermodularity in Parametric Optimization: Necessary and Sufficient Conditions on Constraint Structures”, Operations Research, 69(1): 1-12, 2021. (link)
  • L. G. Chen, D. Z. Long, M. Sim, “On Dynamic Decision Making to Meeting Consumption Targets”, Operations Research, 63(5): 1117-1130, 2015.(link)
  • N. G. Hall, D. Z. Long, J. Qi, M. Sim, “Managing Underperformance Risk in Project Portfolio Selection”, Operations Research, 63(3): 660-675, 2015.(link)
  • L. G. Chen, D. Z. Long, G. Perakis, “The Impact of a Target on Newsvendor Decisions”, Manufacturing and Service Operations Management, 17(1): 78-86, 2015.(link)
  • D. Z. Long, J. Qi, “Distributionally Robust Discrete Optimization with Entropic Value at Risk”, Operations Research Letter, 42(8): 532-538, 2014. (link)

Working Papers

  • Q. Jin, D.Z. Long, Y. Sun, B. Hu. “Distributionally Robust Discrete Choice Model and Assortment Optimization”. (link)
  • D. Z. Long, J. Qi, Y. Sun, A. Zhang. “Distributionally Robust Group Testing with Correlation Information”. (link)
  • Z. Cui, D.Z. Long, L. Lu. “Dynamic Resource Allocation with Proactive Upgrades: The Value and Design of Fulfillment Flexibility”. (link)
  • D.Z. Long, C. Xie, R. Zhang. “Distributionally Robust Multi-Stage Decision Problem and Satisficing”. (link)


  • The Second Prize in the Best Paper Award at the 2024 CSAMSE Conference
  • The First Prize in the Best Paper Award at the 2022 CSAMSE Conference
  • Dean’s Exemplary Teaching Award 2021
  • Finalist in the 2021 MSOM Best OM paper in OR
  • Second prize in the 2013 POMS-HK student paper competition


  • RGC General Research Fund: “Assortment Optimization with Distributionally Uncertainty”, 2024-2026, PI.
  • RGC General Research Fund: “Supermodularity in Two Stage Distributionally Robust Optimization”, 2022-2024, PI.
  • RGC Collaborative Research Fund: “Mitigation Strategies and Operations in Confronting Novel Infectious Disease”, 2021-2023, Co-PI.
  • National Natural Science Foundation of China – General Program: “The Role of Supermodularity in Robust Optimization: Theory and Its Application in Supply Chain Management”, 2020-2023, PI.
  • RGC General Research Fund: “Target-Oriented Distributionally Robust Optimization and Its Application”, 2019-2022, PI
  • CUHK Direct Allocation Grant: “M/M/1/N Service Systems with Balking”, 2019-2022, PI.
  • RGC General Research Fund: “Preservation of Supermodularity in General Parametric Optimization Problems and its Applications in Operations Management”, 2015-2018, PI.
  • RGC Early Career Scheme: “Dynamic Decision Making with the Objective in Meeting Profit Targets”, 2014-2017, PI.
  • CUHK Direct Allocation Grant: “Managing Inventory and Pricing Decisions based on Limited Demand Information”, 2013-2015, PI.