Six Flags CEO John Duffy 'retired' After 17 Months In The Position

Six Flags Entertainment Corp. said Tuesday Chief Executive John Duffey has "retired from the company" after 17 months in the position. The theme park operator has named Executive Chairman Jim Reid-Anderson as the new CEO, effective immediately. Reid-Anderson had served as CEO from August 2010 through February 2016. The stock, which was still inactive in premarket trade, has lost 1.5% year to date, while the S&P 500 has gained 9.8%.