 As President of Discovery Networks, Root ran a portfolio of channels that included Discovery Channel, Science Channel, Military Channel and Times Channel (now called Investigation Discovery).During her presidency, she re-positioned the network with shows such as "Deadliest Catch", "Man vs. Wild", and "Dirty Jobs".She also organised the promotion around "Planet Earth (2006 TV series)", a joint venture with the BBC, which quickly became one of Discovery's biggest hits.