08/06/2015 01:34 EDT | Updated 08/06/2016 05:59 EDT

Marc-André Gadoury, opposition member, leaves party to join Denis Coderre

A member of Montreal's opposition party has crossed over to join Mayor Denis Coderre's team. 

Marc-André Gadoury had been involved in Projet Montréal since its founding in 2004 and was the party's parliamentary leader.

Gadoury is also the city councillor for Rosemont—La-Petite-Patrie.

The mayor welcomed Gadoury as a new member of his team during a news conference on Thursday at city hall.