He led his team to a 1990 Pulitzer Prize for Spot News Photography of the 1989 Loma Prieta earthquake .
At the Tribune , Aarons quickly rose to executive editor and then to senior vice president for news , where he worked for greater staff diversity .
Aarons led Aarons ' team to a 1990 Pulitzer Prize for Spot News Photography of the 1989 Loma Prieta earthquake .
At the Tribune , Aarons quickly rose to executive editor and then to senior vice president for news , where he worked for greater staff diversity .