International Conference on Vertex Operator Algebras, Number Theory and Related Topics on the occasion of Geoffrey Mason’s 70th birthday, California State University, Sacramento, June 11-June 15, 2018 (co-organizers: M. Krauel and M. Tuite). Conference Poster.pdf
International Conference on Vertex Operator Algebras and Related Areas, Illinois State University, July 7- July 11, 2008 (co-organizers: M. Bergvelt and W. Zhao). Vertex_Operator_Algebras-Mason_conference_poster.pdf
Workshop on Vertex operator algebras, Illinois State University, November 4, 2006 (co-organizer: W. Zhao).
Organizer for the Algebra Seminar, Illinois State University, Fall 2006 – Spring 2007.
American Mathematical Society sectional meeting Special Session on Lie Algebras, Conformal Field Theory and Related topics, SUNY at Binghamton, October 11- October 12, 2003 (co-organizers: A. Feingold, and C. Dong).