Black, a professor at the London School of Economics, specialises in regulation law and May previously worked at S.G. Warburg and Co and UBS.

"Julia's extensive knowledge of financial regulation and Jill's impressive career will be valuable assets to the vital work of the Committee," finance minister Philip Hammond said in a statement.

May is due to start on the PRC from July 23, and Black from Nov. 30.

The finance ministry also said Norval Bryson, an actuary and insurance expert, had been reappointed to the PRC for a further three-year term.

(Reporting by Andy Bruce, editing by David Milliken)