Justine graduated from the University of Amsterdam in 2019 with a master degree in private law with a focus on employment law. In 2022, Justine joined Workx advocaten. She advises and litigates on all aspects of employment law and assists both employers and employees.

Justine worked as a lawyer at NautaDutilh from 2019 until 2022 and specialised in employment law. She mainly focused on reorganisations, employee consultation rights, individual and collective dismissal and incapacity for work. In addition, Justine gained international experience by assisting with IPOs.