Geertje obtained her master’s degree in Encyclopaedia and Philosophy of Law at Leiden University in 2019. She wrote her thesis at Oxford University. She joined BarentsKrans in March 2019, where she is part of the Supreme Court Litigation practice group.
- Leiden University, seminar supervisor in the Interdisciplinary Study of Law department (2018)
- District Court of Amsterdam, external court clerk (2016 – 2018)