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Lee W. Schruben (born 1946) is an industrial engineer and Professor Emeritus at the Department of Industrial Engineering and Operations Research College of Engineering, University of California at Berkeley. He is known for inventing Event Graphs in 1983 and for his contributions to Operations Research.

Biography
Born in ???, Schruben received his BS from Cornell University (1968), his MS from the University of North Carolina (1973), and his M.Phil. (1974) and Ph.D. (1975) from Yale University.

He held the title of Chancellor’s Professor in the Department of Industrial Engineering and Operations Research at UC Berkeley, where he served as department head from 2001 to 2005. His prior faculty appointments include the School of Operations Research and Industrial Engineering at Cornell University (1976-2000), where he was awarded the distinguished title of Andrew S. Schultz Jr. Professor of Industrial Engineering (1976–1998), and the Department of Industrial and Systems Engineering, the University of Florida (1975-1976).

In recognition of his work in the area of simulation output analysis, Schruben received an Outstanding Publication Award from the Institute of Management Science's College on Simulation and Gaming. In 2017 he received the INFORMS Simulation Society's Lifetime Professional Achievement Award, the highest honor in his field, given occasionally, but at most once a year. In 2003 he became an INFORMS Elected Fellow.

Schruben joined the Phi Kappa Psi fraternity at Cornell, and through that organization, the Irving Literary Society.

Work
Schruben specializes in teaching and research on simulation experiments, optimization of simulation system response, and simulation modeling foundations. He is a leading researcher in discrete event simulation. Professor Schruben studies data from experiments and develops coverage functions to study confidence interval performance of parameters arising from simulations. He also introduced the method of standardized time series, a major breakthrough in the simulation field. In February 2005, Schruben invented a simulation technique consisting of cost and productivity management software for use in fast simulators. Schruben’s technique has been proven to be up to seventy times more rapid than job-driven simulation approaches.

Selected publications

 * Chan, W.K. Victor, and Lee W. Schruben, (2008), Optimization Models of Discrete- Event System Dynamics, Operations Research
 * David C. Juran, and Lee W. Schruben, (2006), Using Worker Personality and Demographic Information to Improve System Performance Prediction, Journal of Operations Management
 * Nuno Gil, Iris D. Tommelein, Iris D., and Lee W. Schruben, (2006), External Change in Large Engineering Design Projects: The Role of the Client, IEEE Trans. on Engineering Management
 * Swisher, J. R., P. D. Hyden, S. H. Jacobson, and L. W. Schruben (2005), "A Survey Of Recent Advances In Discrete Input Parameter Discrete-Event Simulation Optimization", IIE Transactions
 * Savage, E. L., Schruben, L. W., and Yűcesan, E. (2005). On the Generality of Event- Graph Models. INFORMS J. on Computing 17
 * Juran, D. C., and L. W. Schruben "Using Worker Personality and Demographic Information to Improve System Performance Prediction", Journal of Operations Management
 * Schruben, L. W., and T. M. Roeder, "Fast Simulations of Large-Scale Highly-Congested Systems." Transactions of the Society for Modeling and Simulation International
 * Kimes, Sheryl E. and Lee W. Schruben, "Golf course revenue management: A study of tee time intervals" Journal of Revenue and Pricing Management
 * Morrice, D. and L.W. Schruben, "A Frequency Domain Metamodeling Approach to Transient Sensitivity Analysis," IIE Transactions
 * Allore, H.G. and L.W. Schruben, "Disease Management Research Using Event Graphs," Computers and Biomedical Research