Calculus 1 (Fall 1991, Spring 1992, Spring 1995, Spring 1997, Fall 1997, Fall 1998)
Calculus 2 (Winter 1992, Fall 1992, Fall 1993, Winter 1994, Fall 1995, Fall 1996, Spring 1999)
Multivariable Calculus (Winter 1993, Fall 1994, Fall 2000)
Differential Equations (Winter 1994, Spring 1996, Fall 1996, Spring 1998)
Linear Algebra (Spring 1995, Fall 1996, Spring 1998)
Introductory Statistics (Fall 1992, Winter 1993, Spring 1993, Winter 1994, Spring 1994)
Advanced Statistics (Fall 1993, Spring 1994)
Discrete Structures (Spring 1997, Fall 1998)
Modern Algebra I (Fall 1999)
Modern Algebra II (Spring 2000)
Topology (undergraduate Spring 2001)
Topology I and II(graduate Fall 2001 and Spring 2002)
Algebra and Combinatorics VIGRE seminar (Fall 1999) with Ed Letzter
Enumerative Combinatorics (graduate Fall 2000, Fall 2001)