Impellam Group plc, a global staffing provider, named Julia Robertson as group CEO, effective immediately. Robertson will oversee the United Kingdom operations of the company including its UK commercial and professional staffing divisions as well as its Medacs and Carlisle Support divisions.

Robertson founded Tate, a recruiting business that Impellam’s Carlisle business division purchased in 2000. She was appointed as the divisional CEO of Impellam’s U.K. staffing businesses in 2008 when the Corporate Services Group and Carlisle Group merged their operations

Jennifer Beck will continue to serve as CEO of the company’s North American operations..

Impellam Group ranks No. 19 on the Staffing Industry Analysts’ list of largest global staffing companies.