Six Flags Entertainment Corp - Company Profile
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The following section provides information on Six Flags Entertainment Corp’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into Six Flags Entertainment Corp's management and employees, unlock the full data with our company analytics monitoring tool.
Executives
John Reilly
President; Director; Chief Executive Officer Executive BoardMr. John Reilly has been the President, Director and Chief Executive Officer of Six Flags Entertainment Corporation since December 2025. Previously, he served as Chief Executive Officer of Palace Entertainment U.S. and Group Chief Operating Officer at Parques Reunidos. Prior to Parques Reunidos, Mr. Reilly served as Interim Chief Executive Officer and Chief Operating Officer at SeaWorld Parks and Entertainment.
Ash Walia
Chief Financial Officer Senior ManagementMs. Ash Walia has been the Chief Financial Officer of the company sicne June 2026. Previously, he served as Chief Financial Officer of Hot Topic. Prior to this, he served as Chief Financial Officer of 99 Cents Only Stores. Prior to that, he was the Senior Vice President of Corporate Finance of Starbucks Corporation. He also served as Vice President of Finance and Global Supply Chain of Kellogg’s.
Tim V. Fisher
Chief Operating Officer Senior ManagementMr. Tim V. Fisher is the Chief Operating Officer of the company. Prior to this, he served as the Chief Operating Officer of Cedar Fair LP. He worked at Village Roadshow Theme Parks as the Chief Executive Officer of the North America region from April 2007 to January 2009, Chief Executive Officer of Australia region, and Chief Executive Officer of Asia region. Previously, he served as an Executive Vice President of Paramount Parks and Viacom Recreation US. He also served as a Director of APEX Parks Group.
Dave Hoffman
Chief Accounting Officer Senior ManagementMr. Dave Hoffman is the Chief Accounting Officer of the company. Previously, he served as the Chief Accounting Officer and Senior Vice President of Cedar Fair. Earlier, he worked with Ernst & Young.
Amy Martin Ziegenfuss
Chief Marketing Officer Senior ManagementMs. Amy Martin Ziegenfuss has been the Chief Marketing Officer of the company since June 2026. Previously, she served as Chief Marketing Officer of Carnival Cruise. Prior to this, she served as Senior Vice President of Global Enterprise & Brand Marketing at Hilton.
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