Security Service Federal Credit Union, San Antonio has elected Grover E. Jackson board director. Jackson fills a vacant director position left open by the late Gwen Sweeney. In addtion, SSFCU has named Eileen Killen Southwest Military Service Center Manager. EDS Credit Union, Plano, Texas, has named Sharon Schierling marketing/communications coordinator. Firstmark Credit Union, San Antonio, has named Bryan Glatt Gold Canyon branch manager and Maria Lozano credit card manager.