- Vice-Chair, Inaugural Conference Gordon Research Conference on Renewable Energy: Solar Fuels, CA January 22 - 27, 2007
- Session Organizer, FACSS Meeting Canada October 10 - 13, 2005
- Organizer, Symposium on Solar Energy Utilization, Materials Research Society Meeting, San Francisco, CA April 2006
- Symposium Organizer, MRS Fall Meeting Boston, MA November 29 - Dec 1, 2006
- Symposium Organizer: Spring MRS Meeting April 11, 2007
