I grew up in Northern Germany and attended the Christian-Albrechts-Universität in Kiel, a harbor town at the Baltic sea. I received a M.S. in computer science from Syracuse University, and a Ph.D. in mathematics from the University of Michigan in Ann Arbor. For four years, I was VP and CTO of an Internet startup that went from 3 people in a tiny office to a public company. I now teach computer science at San Jose State University and held visiting appointments at universities in Switzerland, Vietnam, and Macau. In my copious spare time I write books and articles on programming languages and computer science education.
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