Louisa Handel-Mazzetti
PhD candidate
- Name
- Mr.drs. L.M. Handel-Mazzetti LLM MSc
- Telephone
- 06 39788551
- l.m.handel.mazzetti@law.leidenuniv.nl
- ORCID iD
- 0009-0007-9906-5910

Mr.drs. Louisa Handel-Mazzetti is an external candidate at the Institute of Air and Space Law at Leiden University. Her PhD project is titled: A Lawful Star War? Analysing the Legal Status and Legal Gaps regarding the Use of Force in Outer Space. She is supervised by prof. Truxal, prof. Zwanenburg of the University of Amsterdam and dr. Masson-Zwaan.
Profile
Louisa is an Assistant Professor in military law at the Dutch Defence Academy (NLDA). Here, she teaches military officers-to-be in international humanitarian law, international law and disciplinary law. Previously, she worked at Utrecht University as a lecturer, the Dutch Parliament under current Minister of Defence Brekelmans, and at a law firm specialising in sanctions and export control. She studied International Law (LLM) at Utrecht University and War and Peace Studies (MSc) at Leiden University.
PhD candidate
- Faculty of Law
- Institute of Public Law
- Institute of Air and Space Law
- Handel-Mazzetti L.M. (2025), The ‘Peaceful Purposes’ Principle and Space Weaponization: Legal Dilemmas and Future Directions, Air and Space Law 50(1): 45-68.
- Handel-Mazzetti L.M. (2 May 2025), Deterrence doesn't fly in space: nuclear weapons in outer space as a threat of force. Articles of War (Lieber Institute). [blog entry].
- Handel-Mazzetti L.M. (2025), Een vergelijking van juridische initiatieven met betrekking tot ruimtebewapening, Militair Rechtelijk Tijdschrift 118(1): 4-13.
- Handel-Mazzetti L., Ramlakhan V., Dam-de Jong D. & Ryngaert C. (2023), CAVV Symposium on Independent Advice on Public International Law, Netherlands International Law Review 70(1): 121-136.