Sirius XM CEO Mel Karmazin will leave post and...

Sirius XM CEO Mel Karmazin will leave post and board Feb. 1 after contract ends … TV One President and CEO Wonya Lucas to step down Oct. 31, replaced by Alfred Liggins, CEO and president of parent company Radio One, adding oversight of all daily network operations for TV One … Time Warner Cable hires Todd Baxter, ex-Texas Cable Association, as regional vice president-government relations in Texas, effective Nov. 5, replacing Ron McMillan, retiring … Jonathan Chaplin, ex-Credit Suisse, hired by New Street Research to head U.S. telecom research.