Professor of International Law, University of Westminster - Senior Fellow, NATO CCDCOE. IHL, use of force, cyber warfare, nuclear weapons, history of IL.
London, UK
Joined January 2011
- Tweets1.4K
- Following865
- Followers1.7K
- Likes1.4K
Looking forward to coming to Milan
Italian Yearbook of International Law Annual Workshop | #Milan | 30 Nov-1 Dec 2026 | 'Security Concerns in Int'l Law: Recent Trends & Challenges' | featuring, inter alia,
@marcoroscini @VidigalGeraldo @azaria_danae @ProfMorenoLax
📢 Applications are now open for the January 2027 intake of our LLM International Law at the University of Westminster!
🌍 Explore contemporary international legal challenges and develop your expertise in the heart of London.
#InternationalLaw #LLM westminster.ac.uk/law-course…
Thanks to the Raul Wallenberg Institute for inviting me to the International Expert Consultation on the International Humanitarian Law Compliance Monitoring Database (ICMD) in Luxembourg last week
rwi.lu.se/news/government-of…
Pleased to have been interviewed by Swissinfo for this article on the challenges that artificial intelligence, cloud services and digital infrastructure pose for neutrality in an increasingly interconnected world swissinfo.ch/eng/swiss-ai/ca…
Looking forward to being at the @esil_sedi Annual Conference in Málaga this week, where I’ll be speaking in Forum 2 on Emerging Challenges in Contemporary Armed Conflicts. If you’re attending the conference, come and say hi! #esil2026
An important development to watch: the prospect of persistent, AI-enabled cyber operations raises difficult questions theguardian.com/technology/2…
I have been interviewed by Al Jazeera for this explainer on the protection of civilian objects under international humanitarian law in the context of the recent US-Iran hostilities #iran #ihl aljazeera.com/news/2026/7/20…
Marco Roscini retweeted
1⃣ "Military AI and Common Article 1 – From Accountability to Governance", by @marcoroscini
opiniojuris.org/2026/07/20/s…
My latest contribution to Opinio Juris is now available. I examine how Common Art 1 of the Geneva Conventions should be understood in the context of military #AI, arguing that it provides a framework for the governance of AI throughout its whole lifecycle. opiniojuris.org/2026/07/20/s…
I was interviewed on the agreement between the US and Iran and its potential implications for navigation through the Strait of #Hormuz #InternationalLaw (in Italian) adnkronos.com/internazionale…
Marco Roscini retweeted
Looking to advance your expertise in international law? Join our LLM in International Law in the heart of London. September or January start. Full-time or part-time. #InternationalLaw #LLM #StudyInLondon westminster.ac.uk/law-course…
Excited to be at CyCon 2026 in beautiful and sunny Tallinn this week, presenting on AI and the duty to respect and ensure respect for international humanitarian law and moderating a panel on attribution #cycon2026 @ccdcoe
Marco Roscini retweeted
Even wars have rules.
The Geneva Conventions protect civilians in conflict and help ensure assistance reaches those in need, without discrimination.
ohchr.org/en/instruments-mec…
Looking forward to contributing to the discussion on #CyberOperations and #neutrality @GVAGrad conference on “Neutrality in Cyberspace: International Humanitarian Law at the Digital Battlefield” graduateinstitute.ch/communi…
Marco Roscini retweeted
Spain has closed its airspace to US planes involved in attacks on Iran, a step beyond its previous denial of use of jointly-operated military bases reut.rs/41znL7d
I was interviewed by @AFP on the “Tehran Toll Booth” and what it means for navigation, security, and international law in the Strait of #Hormuz : Détroit d'Ormuz: le passage "sûr" proposé par l'Iran est-il juridiquement valable? france24.com/fr/info-en-cont…
Marco Roscini retweeted
Slovenia was keen to join South Africa's case over Israel's alleged genocide in Gaza at the #ICJ but decided against it due to "security risks", as national security officials stressed that many of the country's cyber defence systems are of Israeli origin: euronews.com/2026/03/20/slov…
It was great to come and discuss cyber operations and international law with the participants, thank you for the invitation! @UKOSCE
Glad to open TNTD workshop on the applicability of intl. law in cyberspace, where experts unpacked complex legal challenges surrounding state use of ICTs & explored how national positions can help clarify & strengthen responsible state behaviour in cyberspace. @UKOSCE #cyberCBMs
