Westland Horticulture's senior sales person, John McDowell has been promoted to sales director where he will assume responsibility for the whole sales department.
He will take over from Westland's head of sales for independents Ken Evans who has been appointed commercial director for Westland's sister company, SE Marshall.
Keith Nicholson joins Mr McDowell on the board as marketing director.
Westland's managing director, Edward Conroy said: "Ken is the perfect person to take on this role at SE Marshall, and John and Keith have so much experience and knowledge that Westland will continue to drive performance for our retail partners."