What is 77 w wacker dr?

77 W Wacker Dr is a high-rise office building located in the Loop district of Chicago, Illinois, United States. It was completed in 1992 and stands at a height of 668 feet (204 meters) with 50 floors. The building was designed by the architectural firm Murphy/Jahn and is recognized for its unique, curved design. It is currently owned and managed by The Blackstone Group and serves as the headquarters for several prominent companies, including Deloitte, Winston & Strawn, and Royal Bank of Canada. The building also features a Sky Lobby on the 39th floor, which provides sweeping views of the Chicago skyline.