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Education
- PhD. in Operations Research Georgia Institute of Technology, 2011
Awards and Honours
- Third Place, INFORMS Junior Faculty Interest Group Paper Competition, 2015
- Teaching Commendation List, Faculty of Engineering, National University of Singapore, 2012/2013, 2016/2017
Research Interests
- Stochastic modeling, analysis, and control
- Applications in service, healthcare, and transportation systems
Selected Publications
- P. Cao, S. He, J. Huang, and Y. Liu, “To pool or not to pool: Queueing design for large-scale service systems,” Operations Research. Forthcoming.
- S. He, “Diffusion approximation for efficiency-driven queues when customers are patient,” Operations Research, vol. 68, no. 4, pp. 1265–1284, Jul. 2020.
- S. He, M. Sim, and M. Zhang, “Data-driven patient scheduling in emergency departments: A hybrid robust–stochastic approach,” Management Science, vol. 65, no. 9, pp. 4123–4140, Sep. 2019.
- He, D. Yao, and H. Zhang, “Optimal ordering policy for inventory systems with quantity-dependent setup costs,” Mathematics of Operations Research, vol. 42, no. 4, pp. 979–1006, Nov. 2017.
- J. G. Dai and S. He, “Many-server queues with customer abandonment: Numerical analysis of their diffusion model,” Stochastic Systems, vol. 3, no. 1, pp. 96–146, Nov. 2013.
- J. G. Dai and S. He, “Queues in service systems: Customer abandonment and diffusion approximations,” in TutORials in Operations Research (J. Geunes, Ed.), Hanover, MD: INFORMS, 2011.
- J. G. Dai, S. He, and T. Tezcan, “Many-server diffusion limits for G/Ph/n+GI queues,” The Annals of Applied Probability, vol. 20, no. 5, pp. 1854–1890, Oct. 2010.
- J. G. Dai and S. He, “Customer abandonment in many-server queues,” Mathematics of Operations Research, vol. 35, no. 2, pp. 347–362, May 2010.