[PAR] [TLE] Chicago [SEP] Chicago ( or ), officially the City of Chicago, is the third-most populous city in the United States.  With over 2.7 million residents, it is also the most populous city in both the state of Illinois and the Midwestern United States.  It is the county seat of Cook County.  The Chicago metropolitan area, often referred to as Chicagoland, has nearly 10 million people and is the third-largest in the U.S. Chicago has often been called a global architecture capital.  Chicago is considered one of the most important business centers in the world. [PAR] [TLE] Shawn Baldwin [SEP] Shawn D. Baldwin (born February 26, 1966) is an international financier, trader and investor.  He is the Chairman of AIA Group (AIA), an alternative investment firm based in Chicago.
[PAR] [TLE] Chicago [ SEP ] Chicago ( or ) , officially the City of Chicago , is the third - most populous city in the United States . With over 2.7 million residents , it is also the most populous city in both the state of Illinois and the Midwestern United States . It is the county seat of Cook County . The Chicago metropolitan area , often referred to as Chicagoland , has nearly 10 million people and is the third - largest in the U.S. Chicago has often been called a global architecture capital . Chicago is considered one of the most important business centers in the world . [PAR] [TLE] Shawn Baldwin [ SEP ] Shawn D. Baldwin ( born February 26 , 1966 ) is an international financier , trader and investor . He is the Chairman of AIA Group ( AIA ) , an alternative investment firm based in Chicago .
What county is the city where Shawn D. Baldwin's investment firm is located?
What county is the city where Shawn D. Baldwin 's investment firm is located ?
Cook County
Cook County