CHICAGO — NAI Hiffman has arranged the sale of InterPark Corporate Center in Chicago for an undisclosed price. The 12-building, 165,000-square-foot office complex is situated on seven acres. Jonathan Berger of Berger Asset Management LLC purchased the property from AREI (InterPark) LLC with plans to revitalize and reposition the asset. Plans call for a new fitness center, conference and lounge space and bike share program. The property will be renamed Concourse Chicago and is expected to reopen this fall. John Cash, Art Burrows, David Haigh and Steve Chrastka of NAI Hiffman brokered the transaction.