<P> The Corporation has the following in - house divisions covering the BBC's output and operations: </P> <Ul> <Li> Content, headed by Charlotte Moore is in charge of the corporation's television channels including the commissioning of programming . </Li> <Li> Radio and Education headed by James Purnell is in charge of BBC Radio and music content across the BBC under the BBC Music brand, including music programmes on BBC Television, events such as the BBC Proms and the numerous orchestras such as the BBC Philharmonic, as well as Children's BBC . </Li> <Li> News and Current Affairs headed by Fran Unsworth operates the BBC News operation, including the national, regional and international output on television, radio and online, as well as the output of the BBC Global News division . It is also in charge of the corporation's Current Affairs programming and have some responsibility for sports output . </Li> <Li> The Deputy Director General Group headed by Anne Bulford, contains Design & Engineering, which is in charge of all digital output, such as BBC Online, BBC iPlayer, BBC Red Button service and developing new technologies through BBC Research & Development . The division also includes other pan-BBC functions including Finance, HR, Strategy, Security and Property . </Li> <Li> Nations and Regions, headed by Ken MacQuarrie is responsible for the Corporation's divisions in Scotland, Northern Ireland, Wales, the English Regions . </Li> </Ul> <Li> Content, headed by Charlotte Moore is in charge of the corporation's television channels including the commissioning of programming . </Li> <Li> Radio and Education headed by James Purnell is in charge of BBC Radio and music content across the BBC under the BBC Music brand, including music programmes on BBC Television, events such as the BBC Proms and the numerous orchestras such as the BBC Philharmonic, as well as Children's BBC . </Li>

Why does the bbc not commission doctor who from an external production company