Livewire Head Of The BBC To Step Down by David Taintor 03.19.12 | 12:31 pm 1 The New York Times reports: Mark Thompson, who has overseen the BBC’s television channels, radio stations and Web sites since 2004, will depart the public broadcaster later this year. Send Tips David Taintor is a New York-based senior editor who oversees breaking news coverage. He previously worked at NBC News.