[citation needed] His narrow victory over Quebec Liberal Party candidate Nathalie Goguen was confirmed in a judicial recount on September 14, 2012.

[1] He was defeated in the 2014 Quebec election by Liberal candidate Guy Hardy.

Hebert was dean of the School of Public Health at the Universite de Montreal.

[citation needed] In September 2019, Hébert was confirmed as the federal Liberal Party of Canada candidate in the Longueuil—Saint-Hubert electoral district.

[3] He was one of three openly gay members of the National Assembly during his time in office, alongside Sylvain Gaudreault and Agnès Maltais.