So far, the following are participants/contributors to Insider Live. I'll list their real name (since that is used in the show notes) and their screenname here on the boards.

John Yaglenski - John
Gary O'Brien - dpamac
Carol Robert - Carol
Ian Mitchell - Ian
Nanci Rosetti (Magical Journeys) - Tink1
Jeff Latko - JPL
Michael Montanez - NotaGeek
Melanie Bounds - Melanie