NEW YORK—The Laura and John Arnold Foundation (LJAF), a philanthropic organization focused on criminal justice, education and public accountability, has leased a pre-built suite on the 18th floor at 250 West 57th Street. The organization will move into its new space, which totals 3,423 sq. ft., in September.

Erik S. Harris and Aaron Maltz of Newmark Grubb Knight Frank represented the tenant in the lease negotiations, while Harry F. Blair, Sean Kearns and Kelli Mekles of Cushman & Wakefield represented the landlord.

Founded by John Arnold, former manager of the hedge fund Centauraus Energy, and Laura Arnold, a former corporate lawyer, the LJAF is a private foundation that focuses its giving on criminal justice, education and public accountability reform.

Located in close proximity to the Time Warner Center, Carnegie Hall, Lincoln Center and Central Park, 250 West 57th Street comprises 26 stories and 535,000 sq. ft. of office space. The property has in-building access to the Time Warner Center/Columbus Circle subway station and access to bus lines.

The property recently underwent an $82 million upgrade program, which included the renovation of the lobby, renovated elevator cabs, new windows, renovated air conditioning in public corridors and restrooms and upgraded plumbing, HVAC and security.

Part of the W&H Properties’ pre-war office portfolio, 250 West 57th Street is supervised by Malkin Holdings LLC.