The University of Chicago Booth School of Business is a graduate business school located in Chicago, Illinois, at the University of Chicago. Formerly known as the University of Chicago Graduate School of Business, Chicago Booth is the second oldest business school in the U.S., the first such school to offer an Executive MBA program, and the first to initiate a Ph.D. program in Business. The school was renamed in 2008 following a $300 million endowment gift to the school by alumnus David G. Booth. The school has the third-largest endowment of any business school. Various rankings place Chicago Booth's MBA program among the best in the United States and in the world. The school belongs to the M7 group of elite MBA programs which recognize each other as peers, consisting of Chicago Booth, Columbia, Harvard, Kellogg, MIT Sloan, Stanford, and Wharton.