Stephanie Cadieux was first elected MLA for Surrey-Panorama in 2009, and elected MLA for Surrey-Coverdale in 2013 and re-elected as MLA for Surrey South in 2017. She currently serves as the Official Opposition Critic for ICBC.

She is a member of the Select Standing Committee on Crown Corporations and served as deputy chair of the Committees to appoint the Representative for Children and Youth and the Human Rights Commissioner. Stephanie served as Minister of Children and Family Development, Minister of Social Development, Minister of Community, Sport and Cultural Development, and Minister of Labour, Citizens' Services and Open Government.

Stephanie worked with SCI-BC as director of marketing and development and was manager of accessibility for 2010 Legacies Now. She has been an active community volunteer and was the president of Realwheels Theatre Society, a member of the advisory panel with International Collaboration On Repair Discoveries (ICORD), and a mentor with the YWCA.