It's great having Mark on the board, but putting him in the "Ask the Pros" section would be inappropriate. Only players that are part of the pro scene today belong in that forum.
Mark, a one-time pro that quit the pro scene and has been absent from that scene for close to a decade, may have interesting insights about the past, but as for the game's present and its recent history, I'll be far more interested in what Rude Dog, and others who see the pro game today up close and personal, have to say.
Let's celebrate Mark's arrival. I saw him play in his prime and got to know him a little. He was a very gifted player, one of the very best. Let's not get carried away, though. If he returns to the major tournament scene, he'll be deserving of an "Ask the Pros" forum. Not a day sooner.