Professional Experience

• Professor, Department of Mathematics and Computer Science, 2005-present.
• Chairperson, Department of Mathematics and Computer Science, 2001-2021.
• Associate Professor, Department of Mathematics and Computer Science, 2001-2005.
• Assistant Professor, Department of Mathematics and Computer Science, 1997-2001.
• Teaching Assistant, Temple University, 1996-1997.
• Instructor, Department of Mathematics, Community College of Philadelphia, 1996-1997.
• Teaching Assistant, Department of Mathematics, Temple University 1992-1995.
• Instructor, Russell Conwell Center at Temple University, 1993.

Professional Organizations

• Mathematical Association of America, 1995-present
• American Mathematical Society, 1992-1997
• Society for Industrial and Applied Mathematics, 1994-1997
• SIAM activity group on discrete mathematics, 1994-1997

Awards and Recognition

• President's Award for Excellence in Teaching, MVNU, 2022
• Excellence in Advising and Retention Award, MVNU, 2018
• Faculty Member of the Year, MVNU, 2010
• Teaching Merit, Temple University Department of Mathematics, 1995 & 1996
• Honors in Mathematics, Houghton College, 1991

Published Works & Presentations

• "How the Government Shutdown Derailed My Plans for a Series of Introduction to Statistics Projects and How I got the Projects Back on Track,” Mathematics Association of America, Cincinnati, 2019
• "Solutions to a generalization of the mixture problem from differential equations," Mathfest, Mathematics Association of America, August 7, 2010 at the Omni Hotel in downtown Pittsburgh, PA
• "How to ride a Unicycle," Mathematics Association of America Ohio Section Conference, April 11, 2008 at Marietta College
• "Developmental Mathematics Labs," MAA Ohio Section Meeting, Portsmouth, Ohio, April 13, 2007
• "How to mix the perfect Latt," ACMS Biennial Conference, Messiah College, May 30, 2007
• "Developmental Mathematics Labs," ACMS Biennial Conference, Messiah College, May 31, 2007
• "The Consequences of Believing in an Infinite God", Mars Hill Review, 20, 37-44. 2002
• "The Goulden and Jackson Method; Extensions, Applications and Implementations", with Doron Zeilberger, J. of Difference Equ. and Appl. 5 355-377. 1999
• "New Upper Bounds for the Connective Constants of Self-Avoiding Walk", Journal of Statistical Physics, 91, p871-888. 1998
• "The Enumeration of Permutations with a Prescribed Number of “Forbidden” Patterns", with Doron Zeilberger, Advances in Applied Mathematics, 17, 381-407. 1996
• "The Number of Permutations Containing Exactly One Increasing Subsequence of Length Three," Discrete Mathematics, 152, 307-313. 1996