Robert Walter Kerslake, Baron Kerslake, was a British senior civil servant. He was the head of the Home Civil Service from 2011 to 2014, succeeding Sir Gus O'Donnell.

Augustine Thomas O'Donnell, Baron O'Donnell, is a former British senior civil servant and economist, who between 2005 and 2011 served as the Cabinet Secretary, the highest official in the British Civil Service.