Dave Yeast joined the WAC staff in 2016 as Coordinator of Baseball Umpires.
The NCAA National Coordinator of Baseball Umpires from 1996-2008, he is also the Coordinator of Baseball Officiating for the Pac-12 and the Big West Conferences. He has also served as the conference umpire coordinator for the Missouri Valley Conference from 1990-94, Metro Conference from 1993-95 and Conference USA from 1996-99.
On the field, he worked as an umpire at the College World Series in 1991 and 1995 and officiated 15 regionals or super regionals. He spent time on the staff of the Big 12, Metro, Missouri Valley, Mountain West, Southeastern, Pac-12, Western Athletic, and West Coast Conferences before moving into a strictly administrative role following the 2015 season.