Tanja Masson-Zwaan is assistant professor and deputy director of the International Institute of Air and Space Law at Leiden University, and President Emerita of the International Institute of Space Law. She is a faculty member at the International Space University.
Tanja advises the Dutch government on space law issues and was co-founder of the Hague International Space Resources Governance Working Group
She co-authored the fourth edition of Introduction to Space Law (Kluwer, 2019) and serves on the board of editors of Kluwer’s journal Air and Space Law.
Tanja is an elected full member of various professional associations, such as the International Academy of Astronautics and the International Law Association. She is a board member of several organisations, including the Arizona State University Interplanetary Initiative, the Open Lunar Foundation and the Space Generation Advisory Council. She was a member of the founding boards of the European Centre for Space Law and of Women in Aerospace Europe, and previously served as a member of the Advisory Committee of Secure World Foundation.
Tanja has received several awards and is a member of honour of the Netherlands Space Society. In 2020, she received a royal decoration for her work in the field of space law.