[1] He represented the electoral district of Charlesbourg as a member of the Quebec Liberal Party.

From February 27, 2015, to January 28, 2016, he served as Minister of Education, Recreation and Sports following the resignation of Yves Bolduc.

He was defeated in the 2018 election by Jonatan Julien of the Coalition Avenir Québec.

Prior to his election to the legislature, Blais was the dean of social sciences at Université Laval.

This article about a Member of the National Assembly of Quebec is a stub.