Read Sharon White's Power 50 profile for 20154 June 2015
Replacing Ed Richards the as Ofcom chief executive was always going to be a difficult task for whoever got the job. As the person tasked with that responsibility Sharon White seems well equipped to handle the task.
White has 25 years' experience in the public sector and Government, starting with spells in Washington, the No 10 Policy Unit, and the World Bank.
Appointed in December, it will be interesting to see how White puts her mark on the organisation in the coming months.