Add Yahoo as a preferred source to see more of our stories on Google. FILE - CNBC's Mark Hoffman appears during a panel discussion on the changing worlds of media and music at the eMerge Americas ...

KC Sullivan will succeed Hoffman as CNBC president. By Alex Weprin Senior Editor Mark Hoffman, the TV executive who has led the business news channel CNBC since 2005, will step down from the company ...

Mark Hoffman is stepping down as the longtime head of CNBC in September, and will be succeeded by NBCU executive KC Sullivan. The leadership change, to take place on Sept. 12, will mark the end of ...