Peter White Television EditorConnor Schell, ESPN’s content boss, has confirmed that he is leaving the Disney-owned sports network to set up his own independent production company.Schell, one of the architects of the broadcaster’s 30 for 30 documentary strand and exec producer on Michael Jordan series The Last Dance and OJ: Made In America, will leave the business on January 8.Separately, Jodi Markley, Executive Vice President, Content Operations & Creative Services, is retiring and will step