Hedge fund magnate Ken Griffin footed the bill for over 1,000 employees and their families from Citadel and Citadel Securities to visit Walt Disney Company‘s theme park Disneyland in Tokyo, commemorating the firms’ recent anniversaries.

What Happened: The celebration, held from Oct. 27-29, saw approximately 1,200 attendees, including roughly 300 children, Business Insider reported. They enjoyed access to Walt Disney World Tokyo, complete with live music from Maroon 5 and Calvin Harris.