Gordon J. F. MacDonald has been elected vice president and chief scientist of the Massachusetts-based Mitre Corp. Jack Dominitz has been named director of intelligence systems and special programs of The Mitre Corp.'s operations in McLean. Dominitz was formerly technical director of the battlefield systems division. He is succeeded by Richard P. Granato, who was formerly associate technical director of the Mitre's national command and control systems division.

Leslie W. Wright has been named vice president of Evaluation Research Corp.'s engineering and logistics group. His responsibilities include the company's eastern and field operations and Ana-Log Inc., an ERC subsidiary. Wright was formerly president and director of Technology Management Corp., a subsidiary of Man Tech International Corp.

Monte B. Lake has been named a partner in the law firm of Heron, Burchette, Ruckert & Rothwell in Washington. Montgomery K. Winkler has joined the firm as a government relations adviser. Winkler is a former congressional staff member.

Alexandra Armstrong has established Alexandra Armstrong Advisors Inc., an independent personal financial planning firm in Washington. Armstrong was formerly a senior vice president of Julia M. Walsh & Sons Inc. in Washington.

Ted Tepper has been named director of product marketing of System Automation Corp. in Silver Spring.

Joseph G. Mraz has been named administrator of the Manor Care Nursing Center in Largo. Mraz was formerly with a Manor Care nursing center in Cherry Hill, N.J.

Martin W. Quill has been named vice president and chief financial officer of Financial Service Group Inc. George J. Schnabel II has been appointed vice president for special markets.

Yvonne M. Hauser has been named vice president of Albertson Business Services in Bethesda.

Sister Mary Thomas, R.S.M., has been named Outstanding Woman Manager for 1983 by the University of Baltimore, Abell Communications and WMAR-TV channel 2. Sister Mary Thomas is president of Mercy Hospital in Baltimore.

Frederic K. Kuntz has been promoted to vice president for architecture of the Alexandria-based architectural and engineering firm, VVKR Inc. Paul R. Corrigan, Richard T. Eudy, Richard M. Hughes, David M. Spahr and Steven T. Weir have been named associates of the firm.

J. Peter Maucher has been appointed executive vice president and general manager of the Gaithersburg micrographics systems company, Remac Information Corp. Maucher was formerly special projects consultant with Remac.

Robert Morrow has been named the representative of the new Washington office of Ingels Inc., a Los Angeles talent broker.