Interesting talk from Senior LD at Epic, Andrew Bains. The matinee used for assault is freaaaaaaaaking crazy 
He also goes into Epics hiring process, what they look for etc, I watched this just before discovering the thread about the IGDA Studio Heads Forum - but I'll leave my comments on that for the proper thread
There's also Mark Nelson, Lead Designer at Big Huge Games but previously worked at Bethesda on the Elder Scrolls series. Jason Arnone, Art Manager at Harmonix, Jon Jones, Production Manager at NCSoft