Has a PHD in some area of bioscience.
He decided lab work was boring, and his buddy told him he'd make a great DBA, and the pay was a LOT more, so he's been doing it ever since.
For the last 10 years.
I have very few tag-team interviews where I can find NOTHING wrong technically with the interviewee. This was one of them. He even recommened some specific programming method for large data volume access/update that we have been using for a few years. None of the other candidates had even heard of it.
And the guy I was interviewing with is much harder than me. Was blown away as well.