Leon A. Farley has been elected executive vice president of the Association of Executive Recruiting Consultants. He is president and managing partner of Leon A. Farley Associates. In a related development, Donald Kirkwood has joined the Washington office of the firm as vice president. Kirkwood was most recently with the Xerox Corp., where he was responsible for the company's corporate marketing activities for Congress, the White House and the General Services Administration.

Larry Stevens has been promoted to vice president of litigation support with Sterling Systems, a systems management company based in McLean. Jerry Edgerton has joined the company as director of corporate planning and Jim Stanton has become vice president of civil systems.

Harold Gold has become vice president of Hill International, a consulting firm specializing in large-scale construction projects. Gold was formerly counsel to Lewis, Mitchell & Moore.

Monica A. Barron hsd joined the environmental engineering firm of V.J. Ciccone & Associates Inc. as director of its environmental health group.

R. Kenneth Keenan has become vice president and director of engineering for Don White Consultants Inc.

Larry Sauer has joined the Washington office of the architectural firm of Hellmuth, Obata & Kassabaum as senior vice president in charge of design. Sauer was formerly with the group's office in Dallas, Tex. In addition, Roger E. Holtman has been appointed director of planning and landscape architecture and William Richards Whaley has been named an associate in the firm's office here.

Robert C. Earnest has been named vice president in charge of the Washington-Baltimore office of SMS Research. He was most recently director of marketing for the National Association of Rehabilitation Facilities.

Richard W. Menge has been appointed director of architecture for Greenhorne & O'Mara Inc. In addition, Robert E. Heightchew Jr. will be in charge of marketing efforts for the firm's seven offices.

Delbert D. Smith has become a partner of Schnader, Harrison, Segal & Lewis.

James W. Smith has been appointed vice president in charge of corporate activities in national defense for Applied Management Sciences Inc. Smith was formerly manager of defense programs for Bradford National Corp.

John S. Groupe has become an associate with Dewberry & Davis, a engineering and architectural consulting firm in Fairfax.

Melvin B. Eagle has been promoted to executive vice president of Berul Associates Ltd., a consulting firm specializing in information management systems. In addition, E. Hugh Kinney, who was previously with the civil rights division of the Department of Justice, has joined the firm as a principal consultant.

John Hart Cable has joined The Ehrenkrantz Group, an architectural firm. He was formerly director of the buildings division of the Department of Energy.