Lee said the opportunity at Brixton was too good to miss. "There are not many ways a person in my position could leave a company positively, but by joining a firm Citex has so much contact with, it can be done. There was no way I could leave Citex to join a competitor." Brixton is one of Citex's five biggest clients.
Citex chief executive Oliver Jones said Lee's departure to Brixton was a natural development of partnering arrangements between the companies and was a step in cementing Citex's relationship with a long-standing customer.
Citex, formerly called Bucknall Group, was floated in 1988 but delisted in 1998 when it was taken over. Lee will retain a shareholding in the company.