If memory serves, I believe it was Christopher Kahl. He was an I1 rated controller, and had a deep, male voice on the frequency. Sorry if my description doesn't help much, but after looking at your staff list, Chris' name was the most familiar out of all of them. If you could ask him if he was controlling around 5 PM Eastern Time (3 PM Mountain Time) on Saturday, February 20th, then we'll know who the controller was. That was the time I was in his airspace and landing in Albuquerque. I also posted my previous post on the KZAB ARTCC feedback page as well as Matt told me to do to ensure you guys got the feedback. Let me know if it was him and if he receives the feedback.