Chaos in "Chelsea". Who is guilty and what to do

The new owner of "Chelsea" Todd Beli said that it differs from Roman Abramovich, but already in the first season under its management the club dismissed two managers. Graham Stephen Potter was dismissed after defeat from Football club "Aston Villa" in many respects because it was not perceived seriously even by fans on "Stemford Bridge". Who will head this project on a constant basis after the Englishman? .