Marilyn Spiegel Biography and Net Worth

Marilyn Spiegel was appointed lead independent director of Six Flags Entertainment Corporation in March 2026, after serving as the board chair since January 2026. She served as a director since January 2023 for both Six Flags Entertainment Corporation and the legacy Six Flags prior to its July 2024 merger with Cedar Fair, L.P. Currently she serves as chair of the People, Culture & Compensation Committee.

Ms. Spiegel has over 30 years’ experience in the gaming and hospitality industry, including as president of iconic Las Vegas resorts. She served as president of Wynn Las Vegas from December 2010 until her retirement in February 2013, later coming out of retirement to serve again as Wynn’s president from January 2019 to September 2021. Prior to her role at Wynn Las Vegas, from August 2006 to November 2010 Ms. Spiegel served as president of three Harrah’s Entertainment hotel and casino properties; Bally’s and Paris Las Vegas initially, and then in January 2010 her responsibilities were expanded to include Planet Hollywood following its acquisition by Harrah’s. Previously, she was the president of Harrah’s Las Vegas & Rio All-Suite Hotel & Casino from January 2004 to July 2006, after having served as the senior vice president of Human Resources of Harrah’s Entertainment (currently Caesars Entertainment) from June 1999 to December 2003.

Ms. Spiegel serves as a board member of Invited Clubs, the largest owner and operator of private golf and country clubs in the country. She has also been a member of the board of advisors for Nicholas & Company since 2015 and serves as executive secretary and a board member of Catholic Charities of Southern Nevada. Ms. Spiegel has a bachelor’s degree in marketing and a master’s degree in education from the University of Utah.