The following information has been culled from various posts over at The Consumerist.  If you ever have to deal with customer support, or need to figure out the best strategies of dealing with non-responsive customer support, start there.

As a general rule these individuals / numbers should only be tapped after regular customer support channels have failed.  It always works in your favor to have an open claim with decent documentation before going up the ladder - that way when you complain there's a record that you're deserving of more concentrated service.

  1. Escalated XBox Support Phone Number
  2. Tier 3 Escalated XBox Support Phone Number
  3. Executive Email Addresses For XBOX Complaints

If all else fails I guess it's possible to even email Bill Gates or Steve Ballmer - I'd never actually recommend going this far but it's funny to hear that some actually have.