First Commonwealth Federal Credit Union, Allentown, Pa, has promoted Linda Bull to vice president of sales/service and Stephen Drosnock to vice president of technology. Mon-Oc Federal Credit Union, Toms River, N.J., has elected Erma Dorrer director emerita. Brockton Credit Union, Mass., President/CEO James W. Blake has been elected chairman of the Metro South Chamber of Commerce. St. Mary's Bank, Manchester, N.H., has named Jane Grushynsky Daniel Webster Highway branch manager and John E. Flanders vice president/business lending group manager. Pawtucket Credit Union, R.I., has elected Lawrence J. Monastesse board director, Frank Casarella supervisory committee director and Richard H. Leclerc supervisory committee chair. Vermont Federal Credit Union, Burlington, Chairman Curran Robinson has been elected Richmond State Representative for a two year term.