Inaugural Fellow of the American Mathematical Society in 2013, for members who have made outstanding contributions to the creation, exposition, advancement, communication, and utilization of mathematics.


The Nelson Bushnell Prize in 2012, awarded by Williams College to faculty in recognition of excellence in scholarship, teaching, and writing.


The North Central College Young Alumni Award in 2008, given to those who have excelled in their careers and have demonstrated service to the community and to North Central College.


The Henry L Alder National Teaching Award in 2007 from the Mathematical Association of America to honor young faculty whose teaching has been extra ordinarily successful with influence beyond their own classrooms.


Inaugural William Kelso Morrill Award in 1995 from the Johns Hopkins University, for love of teaching, love of mathematics and concern for students.



  • Visiting Positions: Stanford (2013-2014), University of Nice (2010), UC Berkeley (2010), MSRI Research Member (2009), Ohio State University (2005-2006).

  • American Mathematical Society: Organizer of Mathematics Research Communities (2012) on Discrete and Computational Geometry, and editor of the book series Student Mathematics Library.

  • Mathematical Association of America: Organizer of JMM Short Course (2012) on Discrete and Computational Geometry, and editor of the book series Carus Math Monographs.

  • Journal Referee: for numerous journals including Inventiones, Journal of the American Mathematical Society, Advances in Mathematics, and American Math Monthly.

  • For selected invited addresses and complete academic overview, please view my CV.