It's the same guy. They run pretty tight tournaments. Can't speak to knowing Mark Mendez, but there are some quality humans that are TDs here in Utah. If you want the skinny on U.S. Anglers Choice, i'd talk to one of the TD's. Basswest is a very legit magazine. PM me if you want information, but the Lake Powell Director is a good human and he'll tell you straight away what the "real" deal is. Here's a link to his trail and info.
US Anglers Choice Official Homepage