Born in Lisbon, Portugal, Alexandra Mendès worked as a constituency assistant for Liberal MP Jacques Saada and acted as President of the Brossard–La Prairie Federal Liberal Association before she was elected as the MP for the riding of Brossard–La Prairie in 2008.
In 2011 she lost to the NDP’s Hoang Mai. After her election defeat Mendès announced her intention to run for the presidency of the Liberal Party. In 2012 she became the President of the Liberal Party of Canada (Quebec).
In 2006 Mendès worked on Bob Rae’s leadership campaign as Rae’s Quebec assistant. Mendès has also worked with immigrants and refugees as assistant director and coordinator of Maison internationale RiveSud (MIRS). She then became the organization’s Executive Director. She was part of MIRS for a total of 15 years.
She has a DEC in Social Sciences from Champlain Regional College and a certificate in Management of NGOs from Université Sherbrooke. Mendès is active in Parliament, a member of CanadaChina Legislative Association, CanadaEurope Parliamentary Association, CanadaIreland Interparliamentary Group, CanadaIsrael Interparliamentary Group, CanadaUnited Kingdom InterParliamentary Association, Canadian Branch of the Assemblée parlementaire de la Francophonie (APF), Canadian Branch of the Commonwealth Parliamentary Association (CPA), and the Canadian Delegation to the Organization for Security and Cooperation in Europe Parliamentary Assembly (OSCE PA).