He secured the convictions of the eight men responsible for the 1982 Boston arson spree.
When Weld was appointed United States Assistant Attorney General he chose Robinson to serve as his chief of staff.
In 1988, Weld and Robinson resigned in protest of an ethics scandal and associated investigations into Attorney General Edwin Meese.
When Weld was elected Governor of Massachusetts in 1990 he chose Robinson to serve as his chief of staff.
[5] He left the Weld administration in 1994 to work for Bingham Dana & Gould.