FormerRecruitingGuru
Making Recruiting Great Again
They find out the board convened when they get the results. A rolling board just means the community (in this case aviation) has a high quota so when they receive enough applications then they convene. The OR generally do not know the information. My OR didn't know I just got the information from the NOPO blog here.
+ 1. If it wasn't for NOPO and airwarriors the only way I'd know a Pilot/NFO board convened would be when the results are released.