Jill Barrett
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Jill Barrett Email & Phone Number

International Law Consultant at Self-Employed
Location: London, England, United Kingdom 12 work roles 3 schools
1 work email found @biicl.org LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

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Current company
Role
International Law Consultant
Location
London, England, United Kingdom
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Who is Jill Barrett? Overview

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Quick answer

Jill Barrett is listed as International Law Consultant at Self-Employed, a with 25 employees, based in London, England, United Kingdom. AeroLeads shows a work email signal at biicl.org and a matched LinkedIn profile for Jill Barrett.

Jill Barrett previously worked as Associate Member at Six Pump Court Chambers and Delegate/adviser at Antarctic Treaty Consultative Meetings. Jill Barrett holds Master Of Laws (Llm), Law, First Class from Trinity Hall, University Of Cambridge.

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jbarrett@biicl.org
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Profile bio

About Jill Barrett

Jill Barrett is a International Law Consultant at Self-Employed. She possess expertise in public international law, international law, international organizations, human rights, international human rights and 28 more skills. She is proficient in Chinese Mandarin, Spanish, German and French.

Listed skills include Public International Law, International Law, International Organizations, Human Rights, and 29 others.

Current workplace

Jill Barrett's current company

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Self-Employed
Self-Employed
International Law Consultant
London, GB
Employees
25
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12 roles · 47 years

Jill Barrett work experience

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International Law Consultant

Self-Employed

London, Gb

International Law Consultant

Current
Self-Employed

London, United Kingdom

As an independent consultant I provide a range of advisory, teaching and other services making use of my extensive experience of international law and policy work in government, including:- advice on international law and international negotiations; - expert opinions on questions of international treaty law and practice in relation to international arbitrations;- lectures, seminars and professional training programmes in international law, international negotiations, treaty practice, the workings of government, constitutional law.My clients include governments, solicitors, companies, NGOs, secretariats of international organisations, universities and others.

2010 - Present ~16 yrs 7 mos

Delegate/Adviser

Current
Antarctic Treaty Consultative Meetings

Various Locations

Legal adviser to UK delegation at every ATCM 2002-2009.Staff member of Antarctic Treaty Secretariat at ATCM in 2010.Legal adviser (pro bono) to Antarctic and Southern Ocean Coaltion delegation at ATCM 2011-2013.

2002 - Present ~24 yrs 7 mos

Research Consultant

Centre For International Law, Singapore

London And Jakarta

Treaty Law and Practice project; comprising:- Workshop on "Treaty Management Practice in International Organisations: Lessons Learnt and ASEAN Practice", at ASEAN Headquarters, Jakarta, 2 December 2016; and - Publication of Handbook on Good Treaty Practice (March 2020)

Dec 2016 - Jan 2020

Visiting Reader In The School Of Law

Mile End Campus

I am delighted to be appointed Visiting Reader in the School of Law, Queen Mary University of London, with effect from 1 October 2016. I look forward to contributing to the activities of the School including teaching LLM courses in public international law.

Oct 2016 - Dec 2019

Arthur Watts Senior Research Fellow In Public International Law

London, United Kingdom

My role is to lead and develop the Arthur Watts research and events programme in public international law at the Institute. I'm currently working on Treaty Law and Practice, including a joint project with the Centre for International Law in Singapore, which focuses on treaty practices of States and international organisations especially in the Asian region: http://www.biicl.org/treatypractice/Other projects in progress include research on the Antarctic Treaty System and a book on "Law of the Sea - UNCLOS as a living treaty".

Jan 2012 - Oct 2016

Visiting Professor In Public International Law

Graduate School Of International Co-Operation Studies, Kobe University, Japan

I was Visiting Professor of Public International Law at Kobe University, Japan, July-September 2013, teaching postgraduate students at the Graduate School of International Co-operation Studies (GSICS), and researching Japanese treaty practice.

Jul 2013 - Sep 2013

Legal Counsellor

London And New York

During my 20-year FCO career, my responsibilities included advising on public international law, EU and UK law on a wide range of subjects, such as treaties, international organisations, environment and energy, Polar Regions, Overseas Territories, devolution/foreign affairs, sanctions, human rights, shipping and law of the sea, and on various countries and regions, such as Africa, China & Hong Kong, Taiwan, Japan and South America. My last role was leading the Government's work on creating a new statutory regime for parliamentary scrutiny of treaties, resulting in enactment of the provisions on Ratification of Treaties in the Constitutional Reform and Governance Act 2010. I also led the FCO's legal work on the Draft Antarctic Bill, published in 2009, to implement the Antarctic Environmental Liability Annex which I negotiated on behalf of the United Kingdom from 2002 to its adoption in 2005. (The Bill became the Antarctic Act 2013).I was posted to the United Kingdom Mission to the United Nations, New York from 1994 to 1997, where, as First Secretary (Legal) I represented the UK on UN bodies, including the General Committee and the Sixth (Legal) Committee of the General Assembly, Security Council, Charter Committee, Host Country Committee; and was responsible for the Mission's work on sanctions, treaties, law of the sea, Antarctica and UN elections to certain legal posts.For more details: http://www.biicl.org/jillbarrett

1989 - 2010 ~21 yrs
Team & coworkers

Colleagues at Self-Employed

Other employees you can reach at 6pumpcourt.co.uk. View company contacts for 25 employees →

3 education records

Jill Barrett education

Master Of Laws (Llm), Law, First Class

Trinity Hall, University Of Cambridge

Activities and Societies: Trinity Hall Women Graduates Rowing Club; University Ballroom Dancing Team LLM in EEC law, Comparative Law.

Ba Honours, Law, First Class

Activities and Societies: Elected College Rep on DSU External Affairs Committee; Ballroom Dancing. BA Hons degree in Law

FAQ

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What company does Jill Barrett work for?

Jill Barrett works for Self-Employed.

What is Jill Barrett's role at Self-Employed?

Jill Barrett is listed as International Law Consultant at Self-Employed.

What is Jill Barrett's email address?

AeroLeads has found 1 work email signal at @biicl.org for Jill Barrett at Self-Employed.

Where is Jill Barrett based?

Jill Barrett is based in London, England, United Kingdom while working with Self-Employed.

What companies has Jill Barrett worked for?

Jill Barrett has worked for Self-Employed, Six Pump Court Chambers, Antarctic Treaty Consultative Meetings, The Honourable Society Of Gray'S Inn, and Centre For International Law, Singapore.

Who are Jill Barrett's colleagues at Self-Employed?

Jill Barrett's colleagues at Self-Employed include Christopher Badger, Ryan Barrow, Daniel Jenkins, Jemima Lovatt, and Victoria Kaye.

How can I contact Jill Barrett?

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What schools did Jill Barrett attend?

Jill Barrett holds Master Of Laws (Llm), Law, First Class from Trinity Hall, University Of Cambridge.

What skills is Jill Barrett known for?

Jill Barrett is listed with skills including Public International Law, International Law, International Organizations, Human Rights, International Human Rights, Treaty Practice, Foreign Policy, and International Environment.

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