Biography
- Dean for Academic Administration, Calvin College, 2009–present
- Assistant, Associate, and Full Professor of Mathematics, Calvin College, 1979–present
- Visiting Professor of Mathematics, University of Notre Dame, 1997–98, 2005–2006
- Dean for the Contextual Disciplines and for Natural Sciences and Mathematics, Calvin College, 1998–2004
- Visiting Associate Professor of Mathematics, University of Wisconsin, 1983–84
- CLE Moore Instructor in Mathematics, Massachusetts Institute of Technology, 1979–81
Education
- BA in mathematics, Calvin College, 1974
- MS in mathematics, University of Chicago, 1975
- PhD in mathematics, University of Chicago, 1979
Academic Interests
computability theory (formerly called recursion theory), cognitive science (especially formal models of learning), tournaments (especially ranking problems)
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