FCC Chairman Expected to Announce His Departure From the Agency Today

Julius Genachowski's will leave a second vacancy at the agency

FCC Chairman Julius Genachowski is leaving his post, according to two people familiar with the matter, setting up a second vacancy on the five-member U.S. agency that regulates telephone, cable and broadcast companies.

Genachowski, a Democrat, will announce his departure from the Federal Communications Commission today, said the people, who asked to not be named in discussing a personnel matter. Neil Grace, an FCC spokesman, declined to comment.