Monroe, La.-based LBM buying group Allied Building Stores appointed Dale E. Mercer, 50, as president, effective Jan. 1, 2013.

Mercer will succeed David Stiles, a 16-year veteran of Allied, who will continue to serve as president until the end of the year. Mercer joined ABS, a dealer-owned building materials buying group in October 2008, and most recently has served as its chief operating officer. Prior to joining ABS, Mercer was VP manufacturing for Bancroft Bag at its facility in West Monroe.