Faculty Profile

Education

Current Position(s) Held

Research Interests

• Healthcare Operations Management and Analytics
• Supply Chain Coordination and Inventory Management
• Robust and Distributionally Robust Optimization

Awards, Recognition and Honors

• M&SOM Meritorious Service Award, 2023
• POMS-HK International Conference Best Student Paper Competition, First Prize, 2022
  ("Optimizing initial screening for colorectal cancer detection with adherence behavior" with Yini Gao, Yan He, and Ruijie Zhang)
• Lee Kong Chian Fellowship, 2021
• Lee Kong Chian Fellowship, 2019
• Dean's Impact Award, 2017
• Management Science Meritorious Service Award, 2015
• The CSAMSE Annual Conference Best Paper Award, Second Price, 2015
  ("Pooling and Dynamic Policies to Deliver Differentiated Service" with Y. Zhong, M.C. Chou, C.P. Teo)
• President Graduate Fellowship, 2009-2013
• Outstanding Undergraduate Researcher Prize, 2009
• Lijen Industrial Development Medal, 2009
  (Awarded to the honours year students with the best academic exercises/projects)
• Leong Teng Kian Memorial Prize, 2009
  (Awarded to the best student in Mathmatics)
• Honorable Mention in Mathematical Contest in Modeling, 2008
• Tan Teck Chwee Book Prize, 2008
  (Awarded to the best student in Applied Mathematics on the results of the Science III Examination for the degree of Bachelor Science)
• Dean's List, 2005-2009
  (Semester 2 AY2005/2006; Semester 2 AY2006/2007; Semester 1 AY2007/2008; Semester 2 AY2007/2008; Smester 2 AY2008/2009)
• Singapore Ministry of Education SM2 Scholarship for PRC Students, 2004-2009

Journal Articles

• Sarah Yini Gao, Yan He, Ruijie Zhang, Zhichao Zheng, Shao Wei Lam, Emile Tan, Optimizing initial screening for colorectal cancer detection with adherence behavior, Management Science, 2025, 71(9); 7223-8095
• Guang Cheng, Jingui Xie, Zhichao Zheng, Haidong Luo, Oon-Cheong Ooi, Extubation decisions with predictive information for mechanically ventilated patients in ICU, Management Science, 2025, 71(7):6069-6091
• Tao Lu, Zhichao Zheng, Yuanguang Zhong, Maximizing the benefits of an on-demand workforce: Fill-rate-based allocation and coordination mechanisms, Manufacturing & Service Operations Management, 2023, 25(6):1999-2370
• Zuo-Jun Max Shen, Jingui Xie, Zhichao Zheng, Han Zhou, Dynamic scheduling with uncertain job types, European Journal of Operational Research, 2023, 309(3):1407–1060.
• Guang Cheng, Sarah Yini Gao, Yancheng Yuan, Chenxiao Zhang, Zhichao Zheng, On the test accuracy and effective control of the COVID-19 pandemic: A case study in Singapore, INFORMS Journal on Applied Analytics, 2022, 52(6):471–582.
• Guodong Lyu, Mable C. Chou, Chung-Piaw Teo, Zhichao Zheng, Yuanguang Zhong, Stochastic knapsack revisited: The service level perspective, Operations Research, 2022, 70(2):729–747.
• Abraham Zhang, Zhichao Zheng, Chung-Piaw Teo, Schedule reliability in liner shipping timetable design: A convex programming approach, Transportation Research Part B: Methodological, 2022, 115:499–525
• Yue Tang, Houyuan Jiang, Jingui Xie, Zhichao Zheng, A queueing model for customer rescheduling and no-shows in service systems, Operations Research Letters, 2021, 49(6):821–828
• Jiayi Liu, Jingui Xie, Kum-Khiong Yang, Zhichao Zheng, Effects of rescheduling on patient no-show behavior in outpatient clinics, Manufacturing & Service Operations Management, 2019, 21(4):780–797.
• Guodong Lyu, Wang-Chi Cheung, Mable C. Chou, Chung-Piaw Teo, Zhichao Zheng, Yuanguang Zhong, Capacity allocation in flexible production networks: Theory and applications, Management Science, 2019, 65(11):5091–5109.
• Yuanguang Zhong, Zhichao Zheng, Mable C. Chou, Chung-Piaw Teo, Resource pooling and allocation policies to deliver differentiated service, Management Science, 2018, 64(4):1555–1573.
• Zhichao Zheng, Karthik Natarajan, Chung-Piaw Teo, Least squares approximation to the distribution of project completion times with Gaussian uncertainty, Operations Research, 2016, 64(6):1406–1421.
• Qingxia Kong, Chung-Yee Lee, Chung-Piaw Teo, Zhichao Zheng, Appointment sequencing: Why the smallest-variance-first rule may not be optimal, European Journal of Operations Research, 2016, 255(3): 809–821.
• Xiaobo Li, Karthik Natarajan, Chung-Piaw Teo, Zhichao Zheng, Distributionally robust mixed integer linear programs: Persistency models with applications, European Journal of Operational Research, 2014, 233(3): 459–473.
• Qingxia Kong, Chung-Yee Lee, Chung-Piaw Teo, Zhichao Zheng, Scheduling arrivals to a stochastic service delivery system using copositive cones, Operations Research, 2013, 61(3): 711–726.
• Karthik Natarajan, Chung-Piaw Teo, Zhichao Zheng, Mixed zero-one linear programs under objective uncertainty: A completely positive representation, Operations Research, 2011, 59(3): 713–728.