Employment

Senior Lecturer, Penn State University	Jul. 2011 - Present
Lecturer, Penn State University	Aug. 2004 - Jul. 2011
John Wesley Young Research Instructor, Dartmouth College	Jul. 2002 - Jun. 2004
UC Faculty Fellow, University of California, San Diego	Jan. 2001 - Jun. 2002
Lecturer, University of California, San Diego	Summer 2001
Graduate Teaching Fellow, University of California, San Diego	Summer 2000
Senior Teaching Assistant, University of California, San Diego	Sept. 1998 - June 1999
Teaching Assistant, University of California, San Diego	Sept. 1994 - June 2000

Education

Ph.D. Mathematics, University of California, San Diego	Dec. 2000
M.A. Mathematics, University of California, San Diego	Dec. 1996
B.S. with University Honors, Carnegie Mellon University, Pittsburgh, PA.	May 1994

Research Interests
Enumerative and algebraic combinatorics, symmetric functions, representation theory, orthogonal polynomials, partition theory

Presentations

Fall Eastern Section Meeting, Penn State      Some Fine Combinatorics	Oct. 2009
Combinatory Analysis, Penn State      A New Combinatorial Approach to q-Series Identities	Dec. 2008
Partitions/Combinatorics Seminar, Penn State      Recent Progress on Tiling Proofs of q-Series Identities	Nov. 2008
Combinatorics Seminar, UCSD      A New Combinatorial Approach to q-Series Identities	Aug. 2008
Partitions/Combinatorics Seminar, Penn State      Classical q-Series Identities via Tilings	Nov. 2007
Partitions/Combinatorics Seminar, Penn State      New Proofs of Identities of Lebesgue and Göllnitz via Tilings	Nov. 2007
Partitions/Combinatorics Seminar, Penn State      Combinatorial Proofs of Various q-Pell Identities via Tilings	Nov. 2007
Colloquium, Dartmouth College      The Littlewood-Richardson Rule via Reduced Factorizations of the Symmetric Group	Sept. 2003
Combinatorics Seminar, MIT	Apr. 2003
AMS Southeastern Section Meeting, Orlando, FL      Combinatorics of the Lascoux-Schützenberger Tree	Nov. 2002
Colloquium, SUNY Albany      Reduced Factorizations of the Symmetric Group	Sept. 2002
Seminar, CSU Fresno	Feb. 2002
Colloquium, Bucknell University	Jan. 2002
Joint Mathematics Meetings, San Diego      Combinatorial Aspects of the Lascoux-Schützenberger Tree	Jan. 2002
Combinatorics Seminar, University of Pennsylvania      Reduced Factorizations of the Symmetric Group, Parts I & II	Nov. 2001
Séminaire Lotharingien de Combinatoire, The Andrews Festschrift      An Extension of Franklin's Bijection	Sept. 1998

Publications

• A Tiling Approach to Eight Identities of Rogers (with James A. Sellers)
  European Journal of Combinatorics, 31 (2010) 694-709

• Some Fine Combinatorics
  The Ramanujan Journal, 23 (2010) 341 - 353
  The original publication is available at www.springerlink.com

• New Proofs of Identities of Lebesgue and Gollnitz via Tilings (with James A. Sellers)
  Journal of Combinatorial Theory, Series A, 116 (2009) 223-231

• Combinatorial Proofs of Various q-Pell Identities via Tilings (with Karen S. Briggs and James A. Sellers)
  Annals of Combinatorics, 14 (2010) 407 - 418

• Factorization of the Robinson-Schensted-Knuth Correspondence
  Journal of Combinatorial Theory, Series A, 110 (2005) 147-168

• A Combinatorial Refinement of the Lascoux-Schützenberger Tree
  Appendix to A. M. Garsia's manuscript The Saga of Reduced Factorizations of Elements of the Symmetric Group, Vol. 29 of Publications du Laboratoire de Combinatoire et d' Informatique Mathématique

• Combinatorial Aspects of the Lascoux-Schützenberger Tree
  Advances In Mathematics, 174 (2003) 236-253
  Visit an online demonstration

• q-Enumeration of Classical Combinatorial Structures
  PhD Thesis, University of California, San Diego, 2000

• An Extension of Franklin's Bijection
  Sém. Lothar. Combin., 42:Art B42h, 10 pp. (electronic), 1999. The Andrews Festschrift (Maratea, 1998).