Marc Weller

The US capture of Venezuela’s Maduro: An international legal analysis

08 Jan 2026

The US military operation against Venezuelan leader Nicolás Maduro was a fundamental breach of international law with far-reaching consequences for...

A Ukrainian soldier near the front lines in the Donbas region in 2015

Russia-Ukraine ‘off-ramp’: potential plan drafted by Cambridge peace negotiator

14 Mar 2022

An international law expert outlines terms for a possible agreement on Ukraine, including proposals for the Donbas and Crimea regions, and a...

Russian attempts to invoke international law dismantled

09 Mar 2022

Professor Marc Weller, a leading expert in international law and advisor on a large number of peace negotiations, debunks in turn Russia’s attempts to...

Vice-Chancellor’s awards showcase Cambridge researchers' public engagement and societal impact

09 Jul 2018

The first major repository of legal practices for mediators and conflict parties to draw on when negotiating peace has won the top prize in this year...

Marc Weller

The US capture of Venezuela’s Maduro: An international legal analysis

Russia-Ukraine ‘off-ramp’: potential plan drafted by Cambridge peace negotiator

Russian attempts to invoke international law dismantled

Vice-Chancellor’s awards showcase Cambridge researchers' public engagement and societal impact

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