COMSAT Technology Products Inc. has promoted Carl A. Washenko to vice president in charge of human resources for all three CTP companies, COMSAT Telesystems, Amplica and Compact Software. In addition, Fairfax-based COMSAT Telesystems appointed John M. Pientka and B. L. Brooks to the newly created positions of vice president of mobile satellite systems and vice president of the systems support and field integration group, respectively.

Gannett Co. Inc., publisher of USA Today, has promoted Kathleen L. Muller to director of corporate projects. Muller, who joined the Rosslyn-based company in 1982, was previously special events coordinator.

WDVM-TV, Channel 9, has promoted Anne Gemunder to the newly created position of supervisor of programming operations. Gemunder joined the sation in 1982 as assistant director and became station production coordinator six months later.

The public relations firm of Britt-McDonough Associates Inc. has named Cheryl Theismann director of special projects. For the past two years, she has served as a media representative of the General Electric Co.

Henry J. Kaufman & Associates has appointed Barbara Lebow senior art director of the Washington-based public relations and advertising firm. She was previously art director at W. B. Doner and Co. in Baltimore.

The Mutual Broadcasting System has appointed Eric Weiss a legal assistant based in its Arlington office. He was formerly a law clerk for the Smithsonian Institution's Collection of Recordings.

Elena M. Koltisko , formerly manager of IPI Graphics Inc., has joined the Ernest S. Johnston Advertising Agency Inc. as production coordinator and assistant to the art dirctor.