I received the following response from the Mayor's Deputy Chief of Staff.
From: Baginski, Kristen [mailto:Kristen.Baginski@city.pittsburgh.pa.us]
Sent: Friday, April 24, 2009 9:45 AM
We are contacting those who expressed interest in the Committee and when we have received confirmation from them with regards to their participation the names will be released.
From: Sue Kerr [mailto:email@example.com]
Sent: Wednesday, April 22, 2009 8:21 AM
To: Doven, Joanna; firstname.lastname@example.org
This message is to ask when the Mayor plans to announce the launch of his LGBT Advisory Committee and release the names of his appointees.
So I guess we'll see more details forthcoming.