While studying in Leuven, Erica joined the Liberal Flemish Student Union (LVSV) and came into contact with political ideas. In 2002, she started as a criminal lawyer at the Antwerp Bar and has since pleaded some 14 assize cases. On 1 January 2019, she joined the Antwerp city council for Open Vld and three years later succeeded Claude Marinower as Alderman for economy, work, innovation, industry, digitalisation, marketing & communication, public domain & litigation.