Following her legal training, Andrea worked as a presiding judge at the labour court for six years. During this time, she delivered seminars to works councils and chaired the conciliation committee.

She has lived in Cape Town since 1997, where she completed her Master of Laws (LLM) at the University of Stellenbosch. She then taught labour law at the University of the Western Cape (Cape Town) for ten years. For the past twelve years, she has worked remotely as a research assistant for a German law firm that specialises in labour law and exclusively represents employees and works councils.