Mike Platt, a major figure in the travel industry for two decades is stepping down from his post of group industry affairs director for Hogg Robinson Group (HRG)
Mr Platt, 59, will retire at the end of June and is expected to take up consultancy posts in the industry.
He joined HRG as UK director of sales in 1989 and has held various posts with the TMC.
These include director of commercial affairs, international commercial director and managing direct or HRG UK. He took up his current post in 2006.
He has also been awarded the Association of Corporate Travel Executives President's Award for Industry Achievement.
Mr Platt said: "Having achieved all my goals over the last 19 years with a top company, I leave with fond memories and take great pride in having been part of a winning team."
Mr Patt's role will be divided among three executives.
Peter Kite, HRG Europe West managing director, will focus on supplier partnerships and industry affairs; HRG finance director,
Julian Steadman will look after commercial relationships; and HRG's Partner Network general manager, Adrian Woodward will take on a wider partner remit supported by general counsel and central services director Keith Burgess.
* Hogg Robinson Group (HRG) has set up a new programme in the US for affiliate travel management companies.
The North American Affiliates Program will provide "selected large regional business travel companies with the resources they need to be competitive with large multi-national travel management companies."
HRG has named the first four TMCs in the scheme as Austin Travel of New York State, Avia International Travel of Texas, Casto Travel of California, and Shorts Travel Management of Kansas.
Chris Dane, president of the Affiliates Program, HRG North America, said: "We look forward to adding affiliates and developing a flexible structure where each new member can define its needs and help with the overall direction of the programme."