Monica Feria Tinta is a British/Peruvian barrister, a specialist in public international law, at the Bar of England & Wales.

[1] In 2000 Monica Feria-Tinta became the first and only Peruvian-born lawyer to receive the prestigious Diploma of The Hague Academy of International Law in history,[2] the year Professor Pierre-Marie Dupuy delivered the General Course.

[21] As a practising lawyer Monica Feria-Tinta has advised states, state-owned entities, non self-governing peoples, governments in exile, corporate bodies, international organisations, non-governmental organisations, indigenous peoples, and individuals, in the area of public international law.

Expert opinions provided in different international fora have included an Amicus Curiae to the Constitutional Court of Ecuador (on the Rights of Nature), the UN Human Rights Committee, the Constitutional Court of Colombia (on the Special Jurisdiction for Peace), the Supreme Administrative Court of Colombia (Consejo de Estado), the Supreme Court of Mexico, a joint Amicus Curiae with Professor John Dugard (former Special Rapporteur on Diplomatic Protection at the ILC) for the Appeals Court of Amsterdam, in the Bouterse case, and expert comments on behalf of the Redress Trust to the Final Report of the UN Independent Expert on the Right of Reparation for Victims of Serious Violations of Human Rights and Humanitarian Law, Cherif Bassiouni.

Monica Feria-Tinta pioneered the rights of victims in the Inter-American system challenging for the first time the use of State appointed Ad hoc Judges in individual petitions before the Inter-American Court of Human Rights,[25] which led to the end of a practice that had existed for nearly two decades.

[31] Feria Tinta has been a speaker in International law in different fora worldwide including Lancaster House (UK Foreign & Commonwealth Office), the Human Rights Caucus of the US Congress,[32] the Universidad Nacional Autónoma de Mexico, the University of Oxford (Centre for Socio-Legal Studies),[33] the United Nations (Geneva), Trinity College, Dublin (Distinguished Speakers Series),[34] the British Institute of Comparative and International Law, Universidad de los Andes Law Faculty (Colombia), and Georgetown University Law Center.

[35] She has taken part in expert missions to Kenya (2020), Myanmar (2016), Guatemala (2015)[36] and has trained South African advocates on international law (2017), Colombian lawyers on judicial processes in the context of transitional justice (2017) and members of the Honduran Bar on international arbitration (2016) under the sponsorship of the UK Mission in Honduras.