University of Arizona, October 20-22, 2017
Co-organizer with J. M. Cushing (chair), Linda Allen, Saber Elaydi, Yun Kang, Jia Li, Hal Smith, and Joe Watkins
Geometric Methods for Infinite-Dimensional Dynamical Systems
Brown University, November 4-6, 2011
Co-organizer with Sanjeeva Balasuriya, Arjen Doelman, Tasso Kaper, and Bjorn Sandstede
Mapping the Calculus Curriculum, Part II
University of Arizona, March 27–29, 2010
Co-organizer with Guershon Harel, Deb Hughes Hallett, William McCallum, Pat Thompson, and Alejandro Uribe
Mapping the Calculus Curriculum
University of Arizona, April 18-20, 2009
Co-organizer with Guershon Harel, Pat Thompson, and Alejandro Uribe
2007 Arizona Summer Program on Mathematical Modeling
University of Arizona, July 2-29, 2007
Director
2006 SIAM conference on Nonlinear Waves and Coherent Structures
University of Washington, September 9-12, 2006
Co-chair with Roger Grimshaw
Workshop on Patterns in Physics
The Fields Institute, November 14-18, 2003
Co-organizer with Robert Almgren, Nick Ercolani, Diane Henderson, and Mary Pugh