Chairman Bruce Buck said: ‘Christian joined us in 2014‎ with the goal of transforming our commercial activities. Under his leadership some of the world's finest brands and companies have joined us and we have announced some record-breaking sponsorships. Christian will continue to work with the club in a transition period until the end of the season. We are very grateful for his contribution and he will always be welcome at Stamford Bridge.’

Christian said: ‘I am proud of what we have all achieved, with Chelsea ‎now enjoying great success off the field as well as on it and a commercial team in place to help cement Chelsea's position at the top of the game.’