Your mom.

gjk79 (3:35:02 PM): your mom is here
gjk79 (3:35:04 PM): seriously
nicoleiizuka (3:35:17 PM): haha what?
gjk79 (3:35:22 PM): for real
gjk79 (3:35:32 PM): your mom is sitting in the lobby

So apparently my mom was going to a mtg at the Regency Club, and just happened to notice that, yes indeed, my office is in the same building.