Julia Robertson has led £2.26 billion UK-based Impellam Group as CEO since 2013. Robertson founded her own recruitment company in 1986 and later joined Tate as managing director; she subsequently sold both businesses to Carlisle Staffing Services, which merged with corporate Services Group to become Impellam in 2008, at which point she became CEO of Impellam’s UK staffing and managed services businesses. Impellam Group is the largest staffing firm in the UK, according to SIA. Robertson is a past chief executive of the Institute of Employment Consultants (now known as the REC), the professional body for the UK recruitment industry.