Robert A. Hess has been elected to the board of directors of the National Association of Federal Credit Unions. Hess is general manager of the 13,000-member Wright Patman Congressional Federal Credit Union, which serves members of Congress and U.S. House employes.

Samuel H. Turner, president of the Richmond-based Life of Virginia Co., has been elected a member of the central board of Bank of Virginia.

Howard E. Orebaugh has been promoted to executive vice president and secretary and has been elected to the board of directors of Washington Federal Savings & Loan Association.

C. Michael Hincewicz has joined Bank of Virginia as vice president of the northern area's commerical division.

Theresa M. Howard has been named director of communications development and administration for the Federal Home Loan Mortgage Corp.

J.W. Stuart gIlchrist Jr. has joined Surburban Savings and Loan Association as its senior vice president and chief administrative officer. Gilchrist most recently worked as chairman and chief executive officer of Captital Savings and Loan Association in Richmond.

Susan Crane has been named vice president and manager of the newest branch office of Riggs National Bank at 4801 Massachusetts Ave. NW. The branch is scheduled to open in mid-October.

The following appointments and promotions were announced by First National Bank of Maryland: Michael A. Bateman, regional officer in the Baltimore suburban region; Sylvia C. Shields, assistant audit officer; J. Robert Cox, assistant management accounting officer; Den K. Delehanty, investment officer; Dennis T. Fulton, trust operations officer; John A. Gilpin, trust control officer; Joseph M. White, senior real estate officer; Carrol A. Sauter, commercial administrative officer; Richard G. Liggett, senior operations officer; Roger R. McMilliam, security officer; Paul F. Spiegel Jr., assistant operations officer; and Larry E. Gordon, senior regional officer.