Zynga John Schappert is out. See Also There Has Just Been A Huge Shake-Up At Zynga, And Mark Pincus Is Taking Control Zynga’s Problems Summed Up In One Chart Zynga’s Shake-Up Is “A Strategic Error That Bites Them In The Butt” Says Analyst Zynga COO John Schappert is leaving the company and resigning his seat...