Ken Murray, project director of Interiors Inc., has been elected to associate membership in the Washington chapter of the American Institute of Architects.

Eugene C. Fohner, formerly a senior accountant with Public Technology Inc., has joined the staff of William S. Bergman Associates, an association management firm.

John G. Rice has been promoted to vice president of the Olson Research Institute Inc., a company which specializes in executive management development training for the financial community. Rice was formerly director of education for the firm.

David H. Shor has joined the Washington office of Peat, Marwick, Mitchell & Co. as manager of the health care data processing practice. He was formerly the eastern region manager of client services for the health services division of McDonnell Douglas Automation Co.

Stephen C. Caulfield has been named president of Government Research Corp. U.S. He was previously director of human resources for the company.

Anthony J. Ruffini has joined Columbia Research Corp. as senior vice president. He was most recently a principal deputy commander of the Naval Sea Systems Command.

Carol A. Freysinger has been appointed director of marketing for Reotec Inc., a firm which provides technical and environmental consulting services to the coal and coal-based synfuel industries. Freysinger was previously an environmental analyst for the firm.

William R. Groff has joined the Washington office of Hayes, Seay, Mattern and Mattern, an architectural, engineering and planning firm.

Vernon P. Klemm has been promoted to director of engineering in the Washington office of Scientific Management Associates Inc.

Philip R. Hochberg and Lee J. Peltzman have joined the law firm Baraff, Koerner, Olender & Hochberg.

Richard C. Tucker has been named a partner in the engineering and environmental consulting firm Dames & Moore. He was formerly an associate in the firm's water resources practice.

William H. Marumoto has been named to the board of directors of Tuition Systems Inc., a firm based in Fort Lauderdale, Fla., which works with student loan candidates. Marumoto is president of The Interface Group Ltd., a local executive recruiting and management consulting firm.

Edmunds & Hyde Inc. Architects, Planners and Interior Designers have announced several changes in officers. W. McNeill Baker will become president and director of design; Nicholas B. Hill will serve as executive vice president and treasurer, and Morris J. Hendrickson will become vice president and secretary.