At the moment "How to Be a Gentleman" takes up most of Mr. Hornsby's time, since he has never been at the helm of a network sitcom before.
Few, if any, presidents have taken office with a close friend at the helm of a network news division, said Thomas E. Patterson, the Bradlee Professor of Government and the Press at Harvard University, and author of "Out of Order," a book about the relationship between the news media and politics.
Manuel Abud, President and CEO of Azteca América since 2014, will remain at the helm of the network.
Her relationship to ABC changed after the show debuted to a huge audience, and she is now at the helm of the network's entire Thursday night lineup.
In 20 years at the helm of his news network, Mr. Ailes helped lead the movement he is so closely associated with to a sociopolitical promised land, in a year in which Fox News had some of its highest ratings ever.
The TTP denied having anything to do with the attack, but correspondents say the TTP sits at the helm of a loose network of territorially independent militant groups who have different agendas, and not all will favour peace talks.
Ten CEO Hamish McLennan, who has barely gained a ratings point in his 18 months at the helm of the struggling commercial network, said he loved the ABC but that the broadcaster was in a time warp.
At the helm of Rupert Murdoch's Fox News Network's election night decision team, he achieved the now dubious distinction of being the first to call Florida - and the presidential election - for George W. Bush.
One might think he regrets not being at the helm of Telerate in the 1990s, when information networks became the hottest thing since sliced bread and tulip bulbs.
Lynch was enchanted with the vast potential of broadband and spent the next two decades at the helm of three internet companies: Chello Broadband, Video Networks Limited and, more recently, Dish's Sling TV, which he grew into the largest over-the-top streaming service in the country.
Mr. Wyman was at the helm of CBS in the first half of the 1980's, when the network stubbornly clung to its history as the gold standard of networks.
