Six Flags appoints Richard Haddrill as executive chairman

Six Flags Entertainment Corporation (NYSE: FUN) announced the appointment of Richard Haddrill as Executive Chairman of the Board of Directors, effective immediately. With Haddrill's appointment, Marilyn Spiegel will serve as Lead Independent Director.

The appointment continues Six Flags' board refresh efforts, adding seven new directors since last summer. The company recently appointed John Reilly as CEO in December 2025 and has been working on portfolio optimization and capital structure improvements.

Haddrill brings decades of experience in entertainment and leisure industries. He previously served as Executive Vice Chairman of Scientific Games, now Light & Wonder, and as CEO of Bally Technologies. During his eight-year tenure at Bally Technologies, he increased revenue from $550 million to $1.2 billion before the company's acquisition by Scientific Games in 2014.

"Dick is a proven leader with a strong track record of delivering outsized returns for shareholders," said Spiegel. "His strategic mindset, steady leadership, and decades of experience scaling and optimizing businesses will be invaluable as we continue to improve performance across the portfolio and enhance the guest experience."

Haddrill currently serves as Founder and CEO of The Groop, LLC, an investment and advisory company, and founder and Vice Chairman of Generator Partners, an alternative energy company. He previously led Manhattan Associates, Inc., where he increased revenues by 150% over five years.

With Haddrill's addition, the board will temporarily expand to 11 members. Jennifer Mason will not stand for re-election at the 2026 Annual Meeting, returning the board to 10 members.

Six Flags operates 26 amusement parks, 15 water parks and nine resort properties across 16 states in the U.S., Canada, and Mexico, according to the press release.

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