Willemijn Aerdts is lecturer/researcher at the Institute of Security and Global Affairs (Leiden University). Furthermore she is a member of the Peace & Security Committee of the Advisory Council on International Affairs. Willemijn is a member of the advisory board of WIIS-Netherlands and she found Bureau Aerdts. Furthermore, she is a member of the Netherlands Intelligence Studies Association. Previously, she was part of the World Economic Forum as Global Shaper and a youth representative to the United Nations General Assembly Special Session on Children.
Willemijn holds an LLM in International Public Law and an MA in International Affairs in Historical Perspective and has conducted policy research in the field of international affairs. In 2006-2009 she was board member of the United Nations Association of the Netherlands (NVVN). She volunteered for the Dutch UNICEF committee and the Dutch Child Rights Collective. Willemijn was also the first vice-chair of the Dutch National Youth Council (NJR in Dutch).