Marjolein Koster is a Dutch journalist.
She works as a freelancer for various newspapers, magazines and broadcasters (NPO Radio 1, the Nederlands Dagblad, OneWorld, National Geographic Traveller and NPO Kennis) and specialises in the Western Balkans.
Having lived in Bosnia for a while, she now travels back and forth between the Netherlands and the region to produce human-interest stories on topics such as human rights, politics, feminism, the environment and climate change.
