Minneapolis--Chris Preston was named senior VP-creative director at Kerker Marketing Communications, Minneapolis. Mr. Preston, who was most recently senior VP-creative director at Martin Williams, Minneapolis, succeeds Rik Meyers, who is retiring. ``We think Chris is going to help put us on the radar screen,'' Kerker President Chuck Kelly said in a release. ``His work is not only award winning and effective, but very visible as well. Chris adds a new dimension to Kerker that immediately puts us at the next level.''