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Toby Cadman

Toby is the Co-founder of the Guernica Group and Co-Head of Guernica 37 International Justice Chambers in London.

Toby is an established international law specialist in the areas of international criminal and humanitarian law, international terrorism, anti-corruption, maritime security, extradition and mutual legal assistance, and human rights law. He lectures extensively on international criminal law, criminal procedure and human rights law and has provided extensive advice and training to judges, lawyers and law enforcement agencies throughout the Balkans, Middle East, North Africa and South Asia.

As an extradition specialist he acts for the prosecution and defence advising and representing individuals, requesting judicial authorities and governments in extradition proceedings both at first instance hearings and extradition appeals in the High Court, Supreme Court and European Court of Human Rights. He is currently instructed in a number of matters before the Administrative Court of England and Wales, the European Court of Human Rights and the UN Human Rights Committee.

Toby advises on judicial reform, legislative drafting and institution building in Albania, Bahrain, Bangladesh, Bosnia and Herzegovina, Burma (Myanmar), Croatia, Lebanon, Macedonia, Montenegro, Syria and Tunisia. He acts for a number of clients in pro-bono matters in foreign jurisdictions, in particular concerning British nationals abroad. He advises foreign governments, law enforcement agencies, international organisations, corporations and private individuals to develop professional and transparent institutions that protect human rights, combat corruption, and reduce the threat of transborder and transnational crime and develops training curricula for law enforcement, prosecutorial and governmental agencies for the investigation of international crimes. He further offers specialist political and public affairs consultancy services advising clients how best to identify, approach and influence the key decision makers of Westminster, Washington DC, Brussels and further afield.

Toby’s particular area of expertise is international legal obligations and the UN system of protection and in particular pursuing complaints before the UN Special Procedures Branch.

Toby has appeared and been instructed in matters before the International Criminal Court, the International Criminal Tribunal for the Former Yugoslavia, the International Crimes Tribunal Bangladesh, the European Court of Human Rights, the Bosnian War Crimes Chamber, the UN Human Rights Committee and the African Commission on Human and Peoples Rights.

Toby Cadman: Chambers and Partners 2018


"Experienced practitioner who is highly regarded for his experience advising on complex cases. Specialising in international humanitarian law, he has represented numerous individuals charged with war crimes and is often entrusted to lead inquiries into mass genocide and acts of terrorism."

Strengths: "Has a strong reputation and has really carved out his niche. He's a figure who will be around for a long time."

Toby Cadman: Chambers and Partners 2017

“Absolutely brilliant” junior who is known for his complex advisory work. Specialising in international humanitarian law, he has represented numerous individuals charged with war crimes and is often entrusted to lead inquiries into mass genocide and acts of terrorism."

Strengths: “A real mover and shaker in the field, and a suave advocate.”

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