Justin Dart has resigned from the board of directors of Communications Satellite Corp. Dart began his term in September 1982.

Edward W. Carter has been named senior vice president for marketing of MCI Telecommunications Corp. Carter was formerly senior vice president for sales and marketing of Warner-Amex Cable Communications Inc.

E. Amatei Akuete has been appointed special projects administrator and senior staff analyst at van Kloberg & Associates, a public relations firm.

Barbara Wellbery has been appointed deputy general counsel of the Public Broadcasting Service. Wellbery was formerly a member of the Washington law firm of Wilmer, Cutler and Pickering.

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

Mary Kroencke has been named a news anchor and reporter with WJLA-TV. Kroencke was formerly a news anchor with KTVX-TV in Salt Lake City.

Michael A. Lewis has been named editor of Washington Report, the U.S. Chamber of Commerce weekly business newspaper. Lewis was formerly managing editor of Washington Report and also an editor with The Washington Star and The Washington Post.

DeVan Shumway has been promoted to retail sales manager with Sentinel Publications.

George F. Brown Jr. has been promoted to group vice president of Data Resources Inc., a McGraw-Hill company.