After 1989 , he started .
After 1989 , he operated his own company called The Carrara Group , a government affairs and public relations company which was later acquired by Burson - Marsteller , the world 's largest public relations firm .
After 1989 , he started and operated his own company called The Carrara Group , a government affairs and public relations company which was later acquired by Burson - Marsteller , the world 's largest public relations firm .