Seventh DIMACS Implementation Challenge: Semidefinite and Related Optimization Problems, 2000.
Guest Editor for Computational Semidefinite Programming and Related Optimization
Problems: The State of the Art,
Mathematical Programming Series B, Vol 95, No. 2 (2003)
Triangle Discrete Math and Optimization Day, 2004, March 22, Duke University
Co-organizer, SPECIAL SESSION: Combinatorial Enumeration, Optimization,
Geometry, and Statistics,
AMS 2007 Fall Southeastern Meeting
Co-organizer, MIP 2008: Workshop on Mixed Integer Programming, Aug 4-7, Columbia University
Co-organizer, Triangle Lectures on Combinatorics series.