Lena studied law at Humboldt University Berlin with a focus on public international law. Currently, she pursues her PhD at Freie University Berlin in the field of international migration and asylum law. She works as deputy managing director at the international and interdisciplinary graduate school “Human Rights under Pressure” at Freie University Berlin. Her research interests lie mainly in the area of international criminal law, migration and asylum and human rights. The topic of her thesis is “the prohibition of collective expulsion in public international law”. Her thesis explores the extraterritorial applicability and the exact scope of protection of the prohibition on a global level. In her free time, she does legal counseling for asylum seeker.