Managing director Christian Rose has been promoted to chief executive officer. He joined G&J last year and has previously worked for NAAFI, Alliance Boots, Albannach Brands, Somerfield and Safeway.
Chartered accountant Edmund Baker, who previously worked for sports analysis company ProZone, has been appointed to the position of finance director.
Mark Parton and Donna Alder have also been promoted to the board of directors. Parton, who joined G&J in 2005 as manufacturing manager, has been made operations director. Alder, who also joined in 2005, has been promoted from human resources manager to human resources director.
The changes follow the appointment of marketing director Scott Watson in July this year.