Leadership

John M. Duffey

President and Chief Executive Officer

John M. Duffey

President and Chief Executive Officer

John M. Duffey was named President and Chief Executive Officer, and a Director of Six Flags in February 2016. From September 2010 to February 2016, he served as Chief Financial Officer of the company. Mr. Duffey previously served as Executive Vice President and Chief Integration Officer of Siemens Healthcare Diagnostics from November 2007 to January 2010, and was responsible for leading the integration of Siemens Medical Solutions Diagnostics and Dade Behring. Prior to Dade Behring’s acquisition by Siemens AG, from 2001 to November 2007, Mr. Duffey served as the Executive Vice President and Chief Financial Officer of Dade Behring Inc., where he negotiated and led the company through a debt restructuring and entry into the public equity market. Prior to joining Dade Behring, Mr. Duffey was with Price Waterhouse in the Chicago and Detroit practice offices as well as the Washington D.C. National Office. Mr. Duffey holds a B.A. degree in Accounting from Michigan State University.

Lance Balk

General Counsel

Lance Balk

General Counsel

Lance C. Balk was named General Counsel of Six Flags in September 2010. Mr. Balk previously served as Senior Vice President and General Counsel of Siemens Healthcare Diagnostics from November 2007 to January 2010. Prior to Dade Behring’s acquisition by Siemens AG, he served in the same capacity at Dade Behring Inc. from May 2006 to November 2007. In these roles Mr. Balk was responsible for global legal matters. Before joining Dade Behring, Mr. Balk was a partner at the law firm Kirkland & Ellis LLP, where he co-founded the firm’s New York corporate and securities practices. Mr. Balk holds a J.D. and an M.B.A. from the University of Chicago, and a B.A. degree in Philosophy from Northwestern University.

Marshall Barber

Chief Financial Officer

Marshall Barber

Chief Financial Officer

Marshall Barber was named Chief Financial Officer of Six Flags in February 2016 and is responsible for the finance and information technology functions in the company. Mr. Barber previously served as Vice President of Business Planning for the company from July 2006 to February 2016. He also held various other park-level and corporate-level financial positions since joining Six Flags in October 1996. Prior to joining the company, Mr. Barber held financial positions at FoxMeyer Drug and G. D. Searle from 1994 to 1996 and with Electrocom Automation from 1989 to 1994. Mr. Barber holds a B.B.A. in Finance from the University of Texas and an M.B.A. from Texas Christian University.

Walt Hawrylak

Senior Vice President, Administration

Walt Hawrylak

Senior Vice President, Administration

Walter S. Hawrylak was named Senior Vice President, Administration of Six Flags in June 2002 and is responsible for Human Resources, Benefits, Training, Risk Management, Safety and Insurance. He joined Six Flags in 1999 bringing a rich background in the theme park industry. He previously worked for Sea World, Universal Studios and Wet N Wild where he has held a variety of positions ranging from Director of Finance to General Manager to CFO. Mr. Hawrylak holds a B.A. degree in Accounting from Ohio Northern University. Mr. Hawrylak is a CPA and started his career in public accounting.

Michael Israel

Senior Vice President and Chief Information Officer

Michael Israel

Senior Vice President and Chief Information Officer

Michael S. Israel was named Chief Information Officer of Six Flags in April 2006 and is responsible for managing and updating the Company’s Information Systems infrastructure. Mr. Israel began his career in technology sales and in 1998 became Chief Operating Officer for AMC Computer Corp. – a high-end, solutions-based systems integration consulting firm, and then served as a consultant at Financial Security Assurance from October 2004 to April 2006. Prior to this, he was Vice President of Word Pro’s Business Systems for eight years. Mr. Israel holds a M.B.A. from St. John’s University and a Bachelors of Business Administration degree in Marketing from The George Washington University. He also participated in the MIT Executive Program in Corporate Strategy.

Tom Iven

Senior Vice President, U.S. Park Operations

Tom Iven

Senior Vice President, U.S. Park Operations

Tom Iven was named Senior Vice President, U.S. Park Operations for Six Flags in April 2014 and is responsible for managing all operating functions for the company’s 15 U.S. parks and hotel/indoor water park. Mr. Iven began his career at Six Flags in 1976 as a seasonal employee and became a full-time employee in 1981. He held a number of management positions within several parks including Six Flags Magic Mountain and Six Flags Over Texas before being named General Manager of Six Flags St. Louis in 1998. In 2001, Mr. Iven was promoted to Executive Vice President, Western Region comprised of 17 parks, a post he held until 2006 when he was named Senior Vice President. From 2010 until 2014, he was responsible for the operations of the Western region of Six Flags. Mr. Iven holds a B.S. degree from Missouri State University.

Nancy Krejsa

Senior Vice President, Investor Relations and Corporate Communications

Nancy Krejsa

Senior Vice President, Investor Relations and Corporate Communications

Nancy A. Krejsa was named Senior Vice President, Investor Relations and Corporate Communications at Six Flags in October 2010 and is responsible for investor relations, corporate communications and public relations. Ms. Krejsa previously served as Senior Vice President, Strategy and Communications for Siemens Healthcare Diagnostics from November 2007 to September 2010. Prior to Siemens’ acquisition of Dade Behring, Ms. Krejsa was responsible for Corporate Communications and Investor Relations for Dade Behring. Ms. Krejsa joined Dade Behring in 1994 and held a number of Financial and Operational roles at Dade Behring, including Assistant Controller, Treasurer and Vice President of U.S. Operations. Prior to joining Dade Behring, Ms. Krejsa held a number of financial management positions at American Hospital Supply and Baxter International, including Vice President, Controller of the $5 billion Hospital Supply Distribution business. Ms. Krejsa has a B.S. in Finance from Indiana University and an M.B.A. in Accounting from DePaul University.

David McKillips

Senior Vice President, In-Park Services

David McKillips

Senior Vice President, In-Park Services

David McKillips was named Senior Vice President, In-Park Services, of Six Flags in January 2016 and is responsible for culinary, retail, games, rentals, parking and other services offered throughout the company’s 18 parks. Mr. McKillips had previously served as Senior Vice President, Corporate Alliances since September 2010. Mr. McKillips has 20 years of experience in the entertainment and theme park industry, specializing in promotion, sponsorship and consumer product licensing sales. Prior to joining Six Flags, from November 1997 to April 2006, Mr. McKillips served as Vice President Advertising & Custom Publishing Sales for DC Comics, a division of Warner Bros. Entertainment and home to some of the world’s most iconic superheroes, including Superman, Batman and Wonder Woman. He started his career with Busch Entertainment, serving roles within the operations, entertainment, group sales and promotions departments at SeaWorld in Orlando, Florida and then at Sesame Place in Langhorne, Pennsylvania, as Manager of Promotions. Mr. McKillips holds a B.A. degree in Speech Communication from the University of Georgia.

John Odum

Senior Vice President, International Park Operations

John Odum

Senior Vice President, International Park Operations

John Odum was named Senior Vice President, International Park Operations for Six Flags in April 2014 and is responsible for the development and management of all properties outside the United States. Additionally he oversees the corporate design, engineering, maintenance, operations, aquatics, and entertainment functions for all parks. Mr. Odum began his career with Six Flags in 1974 where he held multiple supervisory and management positions within the areas of entertainment, rides, park services, security, admissions, food service, merchandise, games & attractions and finance. Additionally, Mr. Odum has served as the Park President in St. Louis, San Antonio and Atlanta. In 2003, he moved into an Executive Vice President role overseeing all operations for the 10 central division parks while also assuming company-wide responsibilities for maintenance, engineering and capital spending administration. In 2010, Mr. Odum assumed responsibility for managing all operating functions for Six Flags’ 10 East Coast properties as well as the oversight of operations, entertainment and design for all 18 parks in the Six Flags portfolio. Mr. Odum holds a B.S. in Business Management from Presbyterian College.

Brett Petit

Senior Vice President, Marketing & Sales

Brett Petit

Senior Vice President, Marketing & Sales

Brett Petit was named Senior Vice President, Marketing & Sales, of Six Flags in June 2010 and is responsible for all aspects of the company’s marketing strategy, advertising, promotions, group sales, online marketing, corporate sponsorships, media networks and licensed promotions. Over the course of his 33 years of experience in the theme and water park industry, Mr. Petit has managed marketing strategy for more than 65 different theme parks, water parks and family entertainment centers across the country. Mr. Petit joined Six Flags in June 2010 as Senior Vice President, Marketing. Prior to joining Six Flags, Mr. Petit served from March 2007 to June 2010 as Senior Vice President of Marketing & Sales for Palace Entertainment, an operator of theme parks and attractions with 38 locations hosting 14 million guests. Before that, he worked 12 years as Senior Vice President of Marketing for Paramount Parks with over 12 million visitors and spent 13 years with Busch Entertainment Theme Parks as Marketing Vice President and Director of Sales. Mr. Petit holds a B.A. from University of South Florida.

Leonard Russ

Senior Vice President, Strategic Planning and Analysis

Leonard Russ

Senior Vice President, Strategic Planning and Analysis

Leonard A. Russ was named Senior Vice President of Strategic Planning and Analysis in February 2016. Since October 2010 he was Vice President and Chief Accounting Officer of Six Flags where he was responsible for overseeing the Company's accounting function and the finance functions of the western region parks. Mr. Russ began his career at Six Flags in 1989 as a seasonal employee and became a full-time employee in 1995. He held a number of management positions within the Company before being named Director of Internal Audit in 2004. In 2005, Mr. Russ was promoted to Controller, a position he held until being promoted to Chief Accounting Officer. Mr. Russ holds a Bachelors of Business Administration degree in Accounting from the University of Texas at Arlington.