I looked up the guy in the FAA database, and if he's living in Memphis, TN as alluded to by his going into Memphis Intl for 4 years without going into the body scanner, then I think I found him.
His cert information includes a Flight Instructor certification that expired in '05 and was not renewed, and a commercial cert that's date of issuance is '09 (which I'm guessing would be the date of issuance for the latest update, not when it was first issued). This would fit in with the timeline of starting work in '05 for the airline and working for the airline for 4.5 years. He's got Second in command privileges only for his type rating in an Embraer regional jet.