Sir Kazuo Hirai will step down as Stringer CEO and president on recent years . Stringer is expected to become chairman of the company 's board of directors in June , when current chairman Yotaro Kobayashi retires . Sony has appointed Howard Stringer , currently executive deputy president , to replace Stringe . Sony has faced an uphill battle in recent years as its stock value fell 54 % in 2011 .
Sir Kazuo Hirai will step down as Stringer CEO and president on recent years . Sony has appointed Howard Stringer , currently executive deputy president , to replace Stringe . Sony has faced an uphill battle in recent years as its stock value fell 54 % in 2011 .