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ScB Applied Mathematics, Brown University, 1965
MS Applied Mathematics, Harvard University, 1966
PhD Applied Mathematics, Harvard University, 1971
Dissertation: Queueing Network Models of Multiprogramming
**Credited with major contributions to stochastic modeling including the convolution algorithm (Buzen’s algorithm), the central server queuing model, and operational analysis.
**Gordon McKay Lecturer on Computer Science at Harvard, where his students included Microsoft’s Bill Gates and Ethernet inventor Bob Metcalfe, 1971-76.
**Co-founder and Chief Scientist of BGS Systems, a software company whose modeling tools were used for decades to manage computer performance at many of the largest financial institutions, industrial enterprises and government agencies on six continents, 1975-98.
**Elected to the National Academy of Engineering “for contributions to the theory and commercial application of computer system performance models,” 2003.
**Author of more than 100 refereed technical papers including Fundamental Laws of Computer System Performance, which received the inaugural ACM Sigmetrics “Test of Time” award in 2010, reflecting 34 years of enduring influence.