James Griffin and John Long have been appointed vice presidents of WJLA-TV. Griffin is currently WJLA's director of broadcast operations. Long is the station's director of sales.

Mary Finch Hoyt has been named communications director with the Center for National Policy. Hoyt was formerly Rosalynn Carter's press secretary at the White House from 1979 until 1981.

Max Moszer has been appointed editor of Business Economics, the journal of the National Association of Economists. Moszer is a professor of economics at Virginia Commonwealth University's School of Business.

Peggy Whedon has joined the Public Affairs Satellite System as producer of news and special programming for television and radio.

David C. Scott has been appointed vice president of sales and director of marketing with the Lanman Companies Inc., a graphic arts firm.

Myles Marlow has been elected vice president with the advertising firm Needham, Harper & Steers/Washington.

Barbara Lundquist has been named senior program manager with the TriData Corp. in Arlington. Lundquist was formerly the director of systems policy and integration for the information resources office of the Federal Emergency Management Agency.

Christopher M. John has been named a vice president with Hill Photographic Design Ltd. of Potomac.

John Adam Moreau has been named director of public relations for Commercial Credit Co. of Baltimore, a wholly owned subsidiary of Control Data Corp.

Marcia Silverman has been named a vice president of Ogilvy & Mather public relations.

Deo McKaig has been named vice president of WTI Associates, a Washington communications consulting firm. McKaig was formerly director of marketing for the Wolf Trap Foundation.

Thomas McCoy has been appointed senior vice president with the National Radio Broadcasters Association. McCoy was formerly with Golden West Broadcasting in Los Angeles.

Virginia P. Ault has been named vice president of Lauer Associates Inc., a McLean advertising agency.

Robert J. Schmonsees has been promoted to senior vice president of the marketing division with STSC Inc. in Rockville.

Ernest Anderson has been named senior vice president for account service with Earle Palmer Brown and Associates. Bob Socol was named vice president for production and traffic.