BBA Aviation plc announced that Mike Powell, Group Finance Director, has resigned in order to take up the role of Chief Financial Officer of Wolseley plc, and will be leaving the group on May 31, 2017. The board announced the appointment of David Crook, currently Group Financial Controller, to the position of Group Finance Director and to the board with effect from June 1, 2017. David Crook has served as Group Financial Controller since joining BBA Aviation in April 2015. David's previous roles include Head of Group Finance at AZ Electronic Materials, as well as general management and finance roles within Sun Chemical, Telewest Global, Vantico Group and Corus Group.