The Eller College of Management (Eller) is a business school at the University of Arizona located in Tucson, Arizona. The Eller College of Management began in 1913 as bachelor's degree program in commerce before becoming the University of Arizona School of Business and Public Administration in 1944. In 1999, the school was renamed the Eller Co…The Eller College of Management (Eller) is a business school at the University of Arizona located in Tucson, Arizona. The Eller College of Management began in 1913 as bachelor's degree program in commerce before becoming the University of Arizona School of Business and Public Administration in 1944. In 1999, the school was renamed the Eller College of Management in honor of its primary benefactor Karl Eller, an entrepreneur and alumnus of the University of Arizona. It is one of the largest colleges at the University of Arizona, with over 5,400 undergraduate students and nearly 700 graduate students.