David O’Connor, president and CEO of Madison Square Garden Co., abruptly announced his immediate resignation Nov. 13.

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Photo: Courtesy Madison Square Garden Co.

David O'Connor

Executive Chairman James Dolan will take on the role in the interim, according to a Madison Square Garden Co. statement provided to Pollstar

No reason was provided for O’Connor’s resignation. He served as CEO since July 15, having spent more than 30 years at Creative Artists Agency - 20 of which were in the capacity of Managing Partner.

Madison Square Garden Co. assets include Madison Square Garden, The Theater at Madison Square Garden, Radio City Music Hall and Beacon Theatre in New York City; the Forum in Inglewood, Calif.; the Chicago Theatre; and the Wang Theatre in Boston. MSG also owns and operates sports teams including the NBA's Knicks, NHL Rangers, and WNBA Liberty. The company  has strategic partnerships with Azoff MSG Entertainment and Tribeca Enterprises, and is a partner in Oak View Group, Pollstar's parent company.

Among O'Connor's first endeavors was to leade the spinoff of MSG from its predecessor company, MSG Networks. Also among O'Connors accomplishments are plans to build an entertainment-focused venue in Las Vegas, and investing in festival producer Boston Calling Events, hospitality firm TAO Group and esports organization Counter Logic Gaming.