By starting your announcement thread with a Copper member account, it seems your company already did research about the forum and knew about it well. Perhaps your company already had idea of signature campaigns and in contact with signature campaign managers. But if your team did not know about it, here is my introduction about it.

Overview of Bitcointalk Signature-Ad Campaigns. It is a thread about active campaigns and you can see many campaign managers, with direct links to their profile accounts.