(ShareCast News) - Interdealer broker Tullett Prebon said on Monday that Angus Wink, chief executive for EMEA, will retire with immediate effect after 26 years with the firm.Wink will continue to provide counsel as an independent advisor from early 2017.James Potter - currently managing director of Treasury - will replace Wink. Potter has also held a number of senior positions at Marshall and Prebon Yamane.Chief executive John Phizackerley said: "Throughout his career, Angus has made a significant contribution to our business. Angus was a lead architect in many successful acquisitions and strategic decisions over the years and his commitment and dedication to our firm has been unwavering.""I am delighted that James is taking on the role as EMEA CEO. This is an exciting time for the firm as we approach our next chapter for TP ICAP and I am confident that James will play a significant part in our future."Tullett's £1.1bn purchase of ICAP's voice-broking business is expected to be completed in the next few months.