The Charles H. Kellstadt Graduate School of Business is part of the DePaul University Driehaus College of Business, a business school located in the Chicago Loop, Illinois, USA. The Driehaus College of Business (called the College of Commerce until 2012) was founded in 1912 and is one of the ten oldest and most respected business schools in the U.S. The school is accredited by the Association to Advance Collegiate Schools of Business-International.