Virginia Tech® home

Xi Chen

Associate Professor

Research Areas

Main Area:  Operations Research

  • Stochastic modeling and simulation
  • Applied probability and statistics
  • Computer experiment design and analysis
  • Simulation optimization

  • Ph.D., Industrial Engineering & Management Sciences, Northwestern University
  • M.S., Industrial Engineering & Systems Engineering, NC State
  • B.Sc., Automation, Huazhong University of Science & Technology, Wuhan, China

  • Associate Professor, Industrial & Systems Engineering, Virginia Tech: 2020 - present
  • Assistant Professor, Industrial & Systems Engineering, Virginia Tech: 2014 - 2020
  • Assistant Professor, Statistical Science and Operations Research, Virginia Commonwealth University:  2012 - 2014

  • ISE 3424 Discrete-event Simulation
  • ISE 5414:  Random Process
  • ISE 5424:  Simulation I
  • ISE 6494: Advanced Simulation

  • Jingtao Zhang and X. Chen, "Multilevel Monte Carlo Metamodeling for Variance Function Estimation", SIAM/ASA Journal on Uncertainty Quantification, 3 (2025), 980-1027. 
  • X. Chen, Y. Zhang, G. Xie, and J. Zhang, "A Uniform Error Bound for Stochastic Kriging: Properties and Implications on Simulation Experimental Design," ACM Transactions on Modeling and Computer Simulation, 35 (2024), 8/1-8/43.
  • W. Wang, H. Wan, and X. Chen, "Bonferroni-Free and Indifference-Zone-Flexible Sequential Elimination Procedures for Ranking and Selection," Operations Research, 72 (2023), 2119-2134.
  • X. Chen and K.-K. Kim, “Stochastic Kriging with Biased Sample Estimates,” ACM Transactions on Modeling and Computer Simulation, 24 (2014), 8/1-8/23.
  • X. Chen, B. E. Ankenman and B. L. Nelson, “Enhancing Stochastic Kriging Metamodels with Gradient Estimators,” Operations Research, 61 (2013), 512-528.
  • X. Chen, B. E. Ankenman and B. L. Nelson, “The Effects of Common Random Numbers on Stochastic Kriging Metamodels,” ACM Transactions on Modeling and Computer Simulation, 22 (2012), 7/1-7/20.

  • INFORMS Simulation Society, Computing Society, and Applied Probability Society
  • ACM SIGSIM
  • Society for Industrial and Applied Mathematics
  • National Geographic Society

  • NSF CAREER Award, 2019
  • Institute for Critical Technology and Applied Science Junior Faculty Award, Virginia Tech, 2016
  • The 2013 Nemhauser Dissertation Prize awarded by IEMS at Northwestern University
  • Student Scholarship Award, the Spring Research Conference on Statistics in Industry and Technology
  • The Arthur P. Hurter Award for Outstanding Academic Excellence among First Year Graduate Students
  • National Honor Society Phi Kappa Phi Chapter 33 North Carolina State University
  • Full tuition graduate assistantship, Northwestern University
  • Walter P. Murphy Fellowship, Northwestern University