Faculty Directory
Ohad Perry

Adjunct Associate Professor of Industrial Engineering & Management Sciences


2145 Sheridan Road
Tech C250
Evanston, IL 60208-3109

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Industrial Engineering and Management Sciences


Ph.D., M.S. Operations Research, Columbia University, New York, NY

B.Sc Mathematics and Statistics, University of Haifa, Israel

Research Interests

Stochastic models and applied probability; Performance analysis and control of queuing and inventory models

arising in service and healthcare systems

Selected Publications

  • Perry O., Whitt W. "Responding to unexpected overloads in large-scale servicesystems" Management Science, 55 (8), 2009, pp. 1353-1367. 
  • Perry O., Whitt W. "A fluid approximation for service systems responding to unexpected overloads" Operations Research, 59 (5), 2011, pp. 1159-1170.
  • Perry O., Whitt W. "An ODE for an overloaded X model involving a stochastic averaging principle" Stochastic Systems, 1 (1), 2011, pp. 59-108. 
  • Perry O., Whitt W. "A fluid limit for an overloaded X model via a stochastic averaging principle" Mathematics of Operations Research, 59 (5), 2011, pp. 1159-1170.    
  • Gurvich I., Perry O. "Overflow networks: approximations and implications to call-center outsourcing" Operations Research, 60 (4), 2012, pp. 996-1009.
  • Perry O., Whit W. Diffusion Approximation for an Overloaded X Model Via a Stochastic Averaging Principle Queueing Systems, 76 (4), 2014, pp. 347-401.
  • Pang G., Perry O. A Logarithmic Safety Staffing Rule for Contact Centers with Blending, Management Science, forthcoming.