Complex sentence: He was a professor of law at Dalhousie University from 1982 to 1992 and again from 1995 to 1997; between these two periods he was Executive Legal Officer in the chambers of then-Chief Justice of Canada Antonio Lamer.
Split into simpler sentences: He was a professor of law at Dalhousie University from 1982 to 1992 and again from 1995 to 1997. Between these two periods he was Executive Legal Officer in the chambers of then-Chief Justice of Canada Antonio Lamer.