Newsweek's Stephen A. Douglas, who, as director of strategic research, is credited with developing the magazine's marketing research program, has been appointed vice president for research and development at U.S. News & World Report.

Paul B. Silverman, formerly GTE Telenet's executive director of international services, has moved to Satellite Business Systems, where he will serve as director of international services. SBS is a joint venture between IBM and Aetna Life & Casualty.

COMSAT Technology Products, the manufacturing arm of Communications Satellite Corp., has named Charles A. Zito, a former director of network operations at Satellite Business Systems and general manager at United Business Communications, to the new post of vice president for marketing and development.

David C. Leach, formerly senior policy analyst for the House subcommittee on telecommunications, consumer protection and finance, has joined K. Schaefer & Associates, a telecommunications consulting firm, as vice president.

William T. Murphy Jr., legislative director of Dickstein, Shapiro & Morin, has left the Washington law firm to form his government relations company, William T. Murphy Jr. & Associates.

Murphy has more than 20 years of experience working with Capitol Hill in various capacities, including stints as a Congressional staffer, trade association executive and corporate executive. The new firm will specialize in tax, energy and financial services legislation.

Gray & Co. has appointed Mary C. Foerster, formerly Philadelphia's deputy director of commerce, and Diana Aldridge, a former account executive at Gray and aide to Sens. Floyd Haskell (D-Colo.) and Edward Kennedy (D-Mass.), as vice presidents of the Washington public and government relations firm.

Lillian E. Clarke, who has headed her own public relations firm since 1972, has become a senior associate of The Hannaford Co. Inc. in its Washington office. Clarke is also president and founder of the Washington chapter of The Charter 100, a national education organization of professional women.