Complex sentence: His style was gentler than that of his successor Stephen Trachtenberg: a trustee at GWU said that "The conservative guy from West Virginia had been succeeded by the kid from Brooklyn," and some faculty thought Elliott did too little to recruit top faculty and students.
Split into simpler sentences: His style was gentler than that of his successor Stephen Trachtenberg: a trustee at GWU said that "The conservative guy from West Virginia had been succeeded by the kid from Brooklyn,". Meanwhile some faculty posited Elliott did too little to recruit top faculty and students.