As chairman of Madison Square Garden (MSG), James L. Dolan presides over MSG’s many entities, including the world-famous arena complex; professional sports teams—the New York Knicks, Rangers and Liberty; sports and entertainment networks; and legendary showplaces—Radio City Music Hall, Beacon Theatre and The Chicago Theatre. Dolan also serves as chief executive officer of MSG's corporate parent, Cablevision Systems Corporation, a leading diversified media and entertainment company with annual revenues of more than $6 billion.

In his leadership role at MSG, Dolan is responsible for the company’s overall growth strategy and oversees its operations. He also serves on the NBA Board of Governors (representing the Knicks) and the NHL Board of Governors (representing the Rangers). As Cablevision’s CEO, Dolan oversees the company’s Optimum-branded video, voice and high-speed Internet services for residential and business customers as well as Newsday, one of the nation’s largest daily newspapers. In addition, he is responsible for Rainbow Media, a Cablevision subsidiary and programming pioneer, and serves on Cablevision’s board of directors and executive committee.

Dolan was the driving force behind MSG’s responses to national tragedies through the production of star-studded benefits that have raised millions of dollars for 9/11 victims and heroes, and for Hurricane Katrina relief. He supports Garden of Dreams, a charity that works with MSG to help children in crisis, and serves on the board of the Lustgarten Foundation for Pancreatic Cancer Research, an organization he helped found in 1998.