Ed Cliver, AFRL (Co-Organizer; Interests - long-term solar and solar wind reconstruction)
Frédéric Clette, Royal Observatory of Belgium (Co-Organizer; Construction of the international sunspot number)
Leif Svalgaard, Stanford (Co-organizer; Geomagnetic observations; Long-term solar and solar wind reconstruction)
Luca Bertello, National Solar Observatory (Calcium II K-line Index)