The new chairman of the board of directors of Government Services Saving & Loan Inc. is Arthur G. Lambert Jr., who succeeds Arthur J. Phelan Jr.

Lambert joined government services in 1964 as a vice president and a member of its board of directors. Since August 1973, he has served as chairman of the executive committee.

William J. Baroody Sr., Winthrop Knowlton and John Fox Sullivan have been named to the board of directors of The Government Research Corp.

Baroody is counsellor and chairman of the development committee of American Enterprise Institute. He served as president of AEI from 1962 until 1978. He also serves on the board of the Woodrow Wilson International Center for Scholars and is a trustee of the Institute for Social Science Research.

Knowlton is president and chief executive officer of Harper and Row, Publishers Inc. He served as a partner at White, Weld & Co. and as assistant secretary for international affairs at the Treasury Department before joining Harper and Row in 1968. He is chairman of the Association of American Publishers and also chairs the International Freedom to Publish Committee of the International Publishers Association.

Sullivan is vice president of Government Research Corp. and publisher of the National Journal. Before becoming publisher of the journal in 1975, he was assistant managing director of the international division of Newsweek magazine.

Harold J. Bobys has been elected chairman of the board of the Greater Washington Business Center, succeeding Theodore R. Hagans Jr.

Bobys is the managing partner of the Washington office of Alexander Grant and Co., an international accounting firm. He is secretary of the D.C. Estate Planning Council; a member of the U.S. Chamber of Commerce Council of Small Business, and was named president of the District of Columbia Board of Accountancy.

The Greater Washington Business Center is a nonprofit business consulting firm specializing in new enterprise development, expansions and mergers and acquisitions.

Bernard M. Berman has been electeed senior vice president for operations of JNC, Berman was district manager and controller of the retail division of Amerada Hess Corp.

Lee Palmer, owner of the Old Club Restaurant in Alexandria, has been elected president of the 1,000 member Restaurant Association of Metropolitan Washington. He was formerly vice president of the association.

Joan Gavin Wells has been appointed vice president and senior development officer of The National Bank of Washington. She was formerly a vice president at another area bank and before that was branch manager, vice president and director of development for a local savings and loan association.

Communications Satellite Corp. announced several organizational changes relating principally to Comsat's international communications and technical services and to its research and development activities.

John L. McLucas has been elected executive vice president of Comsat responsible for international communications and technical services. He had been president of Comsat General Corp., a Comsat subsidiary.

John V. Harrington was elected senior vice president for research and development. He was previously vice president, research and engineering.

Irving Goldstein has been elected vice president and general manager, international communications. He had been assistant general manager, external relations and business development, international operations.

Burton I. Edelson has been elected vice president, systems technology services. He was assistant vice president and director of Comsat Laboratories.

Elmer C. Hillman Jr. has retired as vice president of real estate and civic affairs for Drug Fair Inc. after 28 years with the company. Hillman will stay on as a consultant.

Hillman joined the company in 1951 as general operations manager. In 1962 was named vice president and administrative assistant to the president and chairman of the board. He became vice president of real estate in 1968 and assumed responsibility for civic affairs in 1971.

Wesley Pederson has been named vice president for editorial services of the Washington-based public affairs and communications firm of Fraser/Associates.

Prior to joining Fraser, Pederson was a senior public affairs officer at the International Communication Agency and its Predecessor, the U.S. Information Agency. He is an author and editor and is a member of the boards of editors of the Public Relations Quarterly and the Foreign Service Journal.