The Federal Reserve Bank of Chicago Detroit Branch Office is the only branch office of the Federal Reserve Bank of Chicago.[1] It is part of the 7th district and its code is 7-G.[1] It is currently located at 1600 East Warren Avenue, near I-75 in Detroit's Eastern Market Historic District. The office occupies 17 acres (6.9 ha) and cost $80 million to build.[2] The Detroit branch was founded in 1927[3] and is currently headed by Robert Wiley. Each branch of the Federal Reserve Banks has a board of either seven or five directors, a majority of whom are appointed by the parent Federal Reserve Bank; the others are appointed by the Board of Governors. Branch directors serve staggered three-year terms (two-year terms if the Branch has five directors). One of the members appointed by the Federal Reserve Board is designated annually as chairman of the board of that Branch in a manner prescribed by the parent Federal Reserve Bank.[4]