The American, who will depart his publish on the stop of June, will stay involved within the club as a senior advisor. It follows the crowning glory of the Todd Boehly-led consortium's takeover of Chelsea on the cease of May.
"I am proud to have helped Chelsea recognize terrific achievement on the pitch and make a high-quality impact within the network," stated Buck. "Now is the proper time to step down and permit new possession build at the sturdy foundations we have in area."
Buck has been chairman in view that 2003 after gambling a key role in preceding proprietor Roman Abramovich's acquisition of the club and has overseen massive success at the pitch for both the guys's and women's groups and predominant development off it.
Boehly stated: "Bruce has led Chelsea Football Club to the highest levels of international and domestic soccer, while additionally developing one of the most lively social responsibility tasks in sport. We thank Bruce for his carrier and his dedication to the club."