Since David Boren became president in 1994, the University of Oklahoma system has experienced tremendous growth, with an increase in new developments throughout including the purchase of 60 acres for OU-Tulsa, the new Gaylord Hall, Price Hall, the ExxonMobil Lawrence G. Rawl Engineering Practice Facility, Devon Energy Hall, the Wagner Student Academic Services Center, the Research and Medical Clinic, the expansions of the Fred Jones Jr. Museum of Art, and the National Weather Center.