Marcia C. Simpkins has joined the Washington office of Wheat, First Securities Inc. as an account executive.

Re-elected to the board of directors for Bank of Vienna last month were John D. Buhl, L. Dean Wallace, Douglas E. Bywater, Ethel Cook-Guinter, Dr. Raul R. Garcia, Malcolm L. Huffman, Michael S. Juhasz and George C. Leimbach. Jack Hayes, president of Hayes Building Supplies in Vienna, and H.E. McCarthy Jr., chief executive officer of the bank, were elected to the board for their first terms after being appointed earlier in the year.

Robert L. Waldo has been elected association president of the Mortgage Insurance Companies of America. Waldo is president and a director of Verex Assurance Inc.

Walter W. Vaughn has joined American Security Bank as senior vice president in charge of the bank's consumer banking division and G. Stimson Eveleth, senior vice president, has been named to head the bank's international banking division.

The investment firm of Johnston, Lemon & Co. Inc. have elected several additional board members. They are: Charles T. Akre, vice president of the Alexandria office; William H. Lawrence, Jr., vice president, treasurer and chief financial officer; Harry J. Lister, president of JL Financial Corp.