Western Photosynthesis Conference:
David Kehoe (Indiana University)
Ariel Anbar (Arizona State University)
Jamie Bacher (Sapphire Energy)
Rick Debus (University of California, Riverside)
Marinus Pilon (Colorado State University)
Michael Salvucci (U.S. Dept. of Agriculture)

Arnon Centennial Symposium:
Manuel Losada (Universidad de Sevilla)
Bob Blankenship (Washington University)
Sabeeha Merchant (University of California, Los Angeles)
Toshiharu Shikanai (Kyoto University)
Luis Rubio (Instituto Madrileño de Estudios Avanzados Energia)
Toshiharu Hase (Osaka University)
Matthias Rögner (Universität Bochum)
Josy Bové (Université de Bordeaux)