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Joanna Buckley
MEET:

Joanna Buckley

"A terrific senior junior - she is incredibly knowledgeable, with meticulous research and drafting, measured and persuasive advocacy, and fantastic commitment to her clients."

Legal 500, 2024
Called: 2011

Joanna has a practice spanning criminal, public, civil and international law, specialising in the crossovers between those fields. She is ranked in Criminal law by Chambers & Partners and Legal 500, in Public and Administrative law by Legal 500 and in Criminal fraud by Who’s Who Legal.

Joanna has undertaken a wide range of criminal work in the Magistrates’ and Crown court.

She has extensive experience in witness handling and managing document heavy, complex cases. Notable cases include:

  • Defence counsel (led by Danny Friedman QC), in a trial for conspiracy to blackmail.
  • Sole counsel on a successful appeal to the Divisional Court, by way of case stated, against the convictions of five protesters opposed to the use of nuclear weapons.
  • Defence counsel (led by Alison Pople QC), in a trial for conspiracy to insider deal following the Financial Conduct Authority’s largest investigation, Operation Tabernula.
  • Representing Andrew Coulson (led by Timothy Langdale QC and Alison Pople QC), former editor of the News of the World, during his trial at the Old Bailey and subsequent criminal proceedings against him in Scotland.

Joanna has extensive expertise in criminal appellate work, having recently been instructed on four criminal appeals from the Commonwealth states to the Privy Council, including representing the current Prime Minister of Mauritius (led by Clare Montgomery QC) in R v Jugnauth [2019] UKPC 8. She regularly represents prisoners in death penalty cases. She has also successfully appealed to the Divisional Court by way of case stated.

Joanna has advised on issues involving regulatory authorities, including:

  • Advising the Competition and Markets Authority in relation to a criminal investigation into suspected cartel activity in the supply of products to the construction industry.
  • Advising a FTSE 100 company on sentencing for corporate offenders and deferred prosecution agreements.
  • Advising an international company on the Serious Fraud Office’s powers of investigation and related issues

Joanna also has wide-ranging experience in extradition law, advising high-profile persons subject to extradition warrants including Antonio Troitiño (led by Mark Summers QC).

Joanna undertakes a variety of public law and civil law work, including judicial review, civil damages and actions against the police. She has particular expertise in cases involving criminal justice matters and civil liberties.

Joanna is a member of the Attorney General’s C panel of counsel and has been appointed to the panel of counsel for the Independent Office of Police Complaints.

Joanna is currently instructed in high-profile litigation concerning the decision of the Crown Prosecution Service not to prosecute undercover police officers who formed relationships with members of the public. She has also been involved in the first three challenges to the use and enforcement of the counter-terrorism measure, Temporary Exclusion Orders (TEOs), in the UK (led by Dan Squires QC).

Other relevant experience includes:

  • Judicially reviewing the Metropolitan Police Service following the execution of search warrants (led by Mark Summers QC).
  • Acting as sole counsel judicially reviewing the Parole Board concerning refusals to grant oral hearings, direct release or recommend transfer to open conditions.
  • Acting as sole counsel on a substantial claim for civil damages following the collapse of criminal proceedings.
  • Advising on a claim for civil damages (led by Hugh Tomlinson QC) following arrest and the execution of search warrants in company and residential properties.
  • Judicially reviewing the Foreign and Commonwealth Office (led by Aidan O’Neill QC and Adam Straw) in relation to its obligations to assist British citizens on death row outside the UK.

Joanna has acted for witnesses and family members in inquest proceedings, primarily following deaths in custody, and subsequent civil proceedings for damages. She recently represented a family during a two-week inquest following a death in custody.

Joanna has extensive experience of arbitration, in the sporting, commercial and international context. She was instructed in a long-running LCIA commercial arbitration that was heard in March 2019.

Joanna has also acted as an assistant to Raj Parker, Arbitrator to the Basketball Arbitral Tribunal (BAT). In that role, she has experience of contractual and agency disputes arising in different jurisdictions.

Joanna has substantial experience in the area of international law and in cases with an international dimension.

From 2016, she was part of the team working with Professor Sean Murphy, a member of the International Law Commission and Special Rapporteur on Crimes against Humanity, with responsibility for proposing draft articles for a Convention on Crimes against Humanity. The International Law Commission approved the draft articles and accompanying commentaries in July 2019.

Other relevant experience includes:

  • Recently advising a NGO (with Richard Hermer QC and Eleanor Mitchell) on the legal issues raised by the Ministry of Defence’s proposals to introduce legal protections for armed forces personnel.
  • Participating as a Delegate with the International Bar Association’s fact-finding mission to Azerbaijan examining the right to a fair trial in freedom of expression cases.
  • Acting as the Rapporteur for the International Bar Association’s scoping mission to Egypt.
  • Working on the criminal defence of Al-Amin Kimathi, a Kenyan human rights activist detained in Uganda.
  • Conducting legal research in Phnom Penh on behalf of the victims of the Khmer Rouge’s policy of forced marriage, admitted as civil parties to the war crimes tribunal in Cambodia.
  • Conducting research for the International Bar Association on international war crimes tribunals and UK counter-terrorism legislation.

Prior to joining the Bar, Joanna worked as an information analyst with the United Nations Assistance Mission in Afghanistan and as a political adviser to the Special Representative of the European Union in Afghanistan. Based in Afghanistan from 2005 to 2009, Joanna provided policy advice and analysis in the areas of good governance and the rule of law, specifically on the reform of the Afghan National Police. She has conducted research for the Brookings Institution and The World Bank. Joanna continues to be involved in policy issues concerning the rule of law in the international arena. In 2017, Joanna was invited by the Belgium representation to the EU to speak at a seminar on lessons learned from the EU’s role in Afghanistan.

  • Kellaway, Thompson and Brown on UK Competition Law: The New Framework, Contributing author
  • Livingstone, Owen and Macdonald on Prison Law, Contributing author
  • “The tail of limitation should not wag the dog of tort”: getting redress for historic human rights abuses, The Law of Nations, February 2018
  • Suing in England for oil pollution in Nigeria, The Law of Nations, February 2017
  • NS v Secretary of State for the Home Department (C-411/10), The European Human Rights Law Review, Issue 2, 2012
  • Young Public Law Lawyers’ Group (YPLG)
  • Young Public International Law Group (YPILG)
  • Criminal Bar Association (CBA)
  • Young Fraud Lawyers Association (YFLA)
  • British Institute of International Comparative Law (BIICL)

Bar Professional Training Course, City University.

Graduate Diploma in Law, City University (Distinction).

Master of Arts, International Relations, School of Advanced International Studies, Johns Hopkins University (Honours).

Bachelor of Arts, Philosophy, Politics and Economics (PPE), Oxford University.

Open Exhibition, Brasenose College, Oxford University, 2003.

Denise Pannick Award, Honourable Society of Gray’s Inn, 2010.

Churchill Scholarship. Honourable Society of Gray’s Inn, 2011.

Phoenicia Scholarship, Bar European Group, 2012.

Pegasus Scholarship, Pegasus Scholarship Trust, 2016.

International Continuous Professional Development and Legal Practice Development Grant, General Council of the Bar, 2016.

English (native) and French (proficient).

Joanna is committed to protecting and respecting your privacy. In order to provide legal services to her clients, including advice and representation services, she needs to collect and hold personal data. This includes her client’s personal data and the personal data of others who feature in the matter upon which she is instructed. To read Joanna’s privacy notice in full, please see here.

Joanna is regulated by the Bar Standards Board and accepts instructions under Standard Contractual Terms. To find out more information on this and the way we work at Matrix, including our fee transparency statement, please see our see our service standards

DIRECTORY RECOMMENDATIONS

"Joanna is brilliant in cases involving criminal and public law crossover."

Chambers & Partners, 2024, Administrative & Public Law

"A formidable advocate. She combines intellectual prowess and depth of knowledge in international human rights law with creative flair."

Legal 500, 2024, Administrative Law and Human Rights

"Her end product is really, really impressive and she's very user-friendly. She knows when to push and when to compromise."

Chambers & Partners, 2024, Civil Liberties & Human Rights and International Human Rights

"Joanna is a terrific senior junior - she is incredibly knowledgeable, with meticulous research and drafting, measured and persuasive advocacy, and fantastic commitment to her clients."

Legal 500, 2024, Crime

"She is very thorough, well prepared and extremely clever."

Chambers & Partners, 2024, Crime

"Able to apply complex law to novel and complex situations and to succinctly set out her argument in a comprehensive, readable way."

Legal 500, 2023, Administrative & Human Rights

"An able barrister who is going to go far. She is a very good strategic thinker."

Chambers & Partners, 2022, Crime

"Joanna is a wonderful colleague to work with - incredibly hard-working and dedicated, with brilliant legal knowledge and very sound judgment."

Legal 500, 2022, Crime

"She is collegiate with her clients and a good strategic thinker."

Chambers & Partners, 2022, Crime

"She is measured, thoughtful and very effective."

Legal 500 2021, Administrative & Public Law (Including Elections)

"Joanna has particular experience in public law/judicial review and criminal work. This is a highly effective combination, particularly for some of our professional and high profile clients who have the resources available to challenge controversial decisions by authorities and public bodies. In instructing her, I have found her to be extremely thorough and persuasive."

Legal 500 2021, Crime

"Thorough in her approach and highly intelligent."

Chambers & Partners 2021, Crime

"Highly intelligent and capable, and a very, very hard worker."

Chambers & Partners 2020

"An exceptional junior with skills across commercial, civil and public law."

"An exceptional junior with skills across criminal and public law."

Legal 500 2019

"A perfectionist – she is incredibly hardworking and thorough."

Legal 500 2018

"Super bright, so clever, efficient and fantastic to work with."

"She’s very bright and is going to be a complete star."

Chambers & Partners 2018

"Very intelligent, works extremely hard and has got very good judgement."

"An absolute superstar in the making."

Chambers & Partners 2017
Matrix Chambers
24 HOUR ASSISTANCE
+44 (0)20 7404 3447
Joanna Buckley
Called: 2011

"A terrific senior junior - she is incredibly knowledgeable, with meticulous research and drafting, measured and persuasive advocacy, and fantastic commitment to her clients."

Legal 500, 2024

MAIN AREAS OF PRACTICE

  • International Arbitration
  • Competition
  • Corporate and Business Crime
  • Court Orders affecting the Media
  • Crime
  • EU Law
  • Extradition and Mutual Assistance
  • Fraud and Financial Crime
  • Civil Liberties and Human Rights
  • Data Protection
  • Inquests and Inquiries
  • Police Law
  • Prison Law
  • Public International Law
  • Public Law
  • Police, Inquests and Prison
  • Health and Social Care (including welfare benefits)
  • Commercial Public Law
  • Private International Law
  • Competition and EU

Joanna Buckley

Contact Joanna: joannabuckley@matrixlaw.co.uk | +44 (0)20 7404 3447

Contact Joanna's Practice Team (Team T): TeamT@matrixlaw.co.uk


Joanna has a practice spanning criminal, public, civil and international law, specialising in the crossovers between those fields. She is ranked in Criminal law by Chambers & Partners and Legal 500, in Public and Administrative law by Legal 500 and in Criminal fraud by Who’s Who Legal.

Criminal and extradition law

Joanna has undertaken a wide range of criminal work in the Magistrates’ and Crown court.

She has extensive experience in witness handling and managing document heavy, complex cases. Notable cases include:

  • Defence counsel (led by Danny Friedman QC), in a trial for conspiracy to blackmail.
  • Sole counsel on a successful appeal to the Divisional Court, by way of case stated, against the convictions of five protesters opposed to the use of nuclear weapons.
  • Defence counsel (led by Alison Pople QC), in a trial for conspiracy to insider deal following the Financial Conduct Authority’s largest investigation, Operation Tabernula.
  • Representing Andrew Coulson (led by Timothy Langdale QC and Alison Pople QC), former editor of the News of the World, during his trial at the Old Bailey and subsequent criminal proceedings against him in Scotland.

Joanna has extensive expertise in criminal appellate work, having recently been instructed on four criminal appeals from the Commonwealth states to the Privy Council, including representing the current Prime Minister of Mauritius (led by Clare Montgomery QC) in R v Jugnauth [2019] UKPC 8. She regularly represents prisoners in death penalty cases. She has also successfully appealed to the Divisional Court by way of case stated.

Joanna has advised on issues involving regulatory authorities, including:

  • Advising the Competition and Markets Authority in relation to a criminal investigation into suspected cartel activity in the supply of products to the construction industry.
  • Advising a FTSE 100 company on sentencing for corporate offenders and deferred prosecution agreements.
  • Advising an international company on the Serious Fraud Office’s powers of investigation and related issues

Joanna also has wide-ranging experience in extradition law, advising high-profile persons subject to extradition warrants including Antonio Troitiño (led by Mark Summers QC).

Civil and public law

Joanna undertakes a variety of public law and civil law work, including judicial review, civil damages and actions against the police. She has particular expertise in cases involving criminal justice matters and civil liberties.

Joanna is a member of the Attorney General’s C panel of counsel and has been appointed to the panel of counsel for the Independent Office of Police Complaints.

Joanna is currently instructed in high-profile litigation concerning the decision of the Crown Prosecution Service not to prosecute undercover police officers who formed relationships with members of the public. She has also been involved in the first three challenges to the use and enforcement of the counter-terrorism measure, Temporary Exclusion Orders (TEOs), in the UK (led by Dan Squires QC).

Other relevant experience includes:

  • Judicially reviewing the Metropolitan Police Service following the execution of search warrants (led by Mark Summers QC).
  • Acting as sole counsel judicially reviewing the Parole Board concerning refusals to grant oral hearings, direct release or recommend transfer to open conditions.
  • Acting as sole counsel on a substantial claim for civil damages following the collapse of criminal proceedings.
  • Advising on a claim for civil damages (led by Hugh Tomlinson QC) following arrest and the execution of search warrants in company and residential properties.
  • Judicially reviewing the Foreign and Commonwealth Office (led by Aidan O’Neill QC and Adam Straw) in relation to its obligations to assist British citizens on death row outside the UK.

Inquests

Joanna has acted for witnesses and family members in inquest proceedings, primarily following deaths in custody, and subsequent civil proceedings for damages. She recently represented a family during a two-week inquest following a death in custody.

Arbitration

Joanna has extensive experience of arbitration, in the sporting, commercial and international context. She was instructed in a long-running LCIA commercial arbitration that was heard in March 2019.

Joanna has also acted as an assistant to Raj Parker, Arbitrator to the Basketball Arbitral Tribunal (BAT). In that role, she has experience of contractual and agency disputes arising in different jurisdictions.

International law and experience

Joanna has substantial experience in the area of international law and in cases with an international dimension.

From 2016, she was part of the team working with Professor Sean Murphy, a member of the International Law Commission and Special Rapporteur on Crimes against Humanity, with responsibility for proposing draft articles for a Convention on Crimes against Humanity. The International Law Commission approved the draft articles and accompanying commentaries in July 2019.

Other relevant experience includes:

  • Recently advising a NGO (with Richard Hermer QC and Eleanor Mitchell) on the legal issues raised by the Ministry of Defence’s proposals to introduce legal protections for armed forces personnel.
  • Participating as a Delegate with the International Bar Association’s fact-finding mission to Azerbaijan examining the right to a fair trial in freedom of expression cases.
  • Acting as the Rapporteur for the International Bar Association’s scoping mission to Egypt.
  • Working on the criminal defence of Al-Amin Kimathi, a Kenyan human rights activist detained in Uganda.
  • Conducting legal research in Phnom Penh on behalf of the victims of the Khmer Rouge’s policy of forced marriage, admitted as civil parties to the war crimes tribunal in Cambodia.
  • Conducting research for the International Bar Association on international war crimes tribunals and UK counter-terrorism legislation.

Other experience

Prior to joining the Bar, Joanna worked as an information analyst with the United Nations Assistance Mission in Afghanistan and as a political adviser to the Special Representative of the European Union in Afghanistan. Based in Afghanistan from 2005 to 2009, Joanna provided policy advice and analysis in the areas of good governance and the rule of law, specifically on the reform of the Afghan National Police. She has conducted research for the Brookings Institution and The World Bank. Joanna continues to be involved in policy issues concerning the rule of law in the international arena. In 2017, Joanna was invited by the Belgium representation to the EU to speak at a seminar on lessons learned from the EU’s role in Afghanistan.

Publications

  • Kellaway, Thompson and Brown on UK Competition Law: The New Framework, Contributing author
  • Livingstone, Owen and Macdonald on Prison Law, Contributing author
  • “The tail of limitation should not wag the dog of tort”: getting redress for historic human rights abuses, The Law of Nations, February 2018
  • Suing in England for oil pollution in Nigeria, The Law of Nations, February 2017
  • NS v Secretary of State for the Home Department (C-411/10), The European Human Rights Law Review, Issue 2, 2012

Professional Memberships

  • Young Public Law Lawyers’ Group (YPLG)
  • Young Public International Law Group (YPILG)
  • Criminal Bar Association (CBA)
  • Young Fraud Lawyers Association (YFLA)
  • British Institute of International Comparative Law (BIICL)

Education and qualifications

Bar Professional Training Course, City University.

Graduate Diploma in Law, City University (Distinction).

Master of Arts, International Relations, School of Advanced International Studies, Johns Hopkins University (Honours).

Bachelor of Arts, Philosophy, Politics and Economics (PPE), Oxford University.

Scholarships and awards

Open Exhibition, Brasenose College, Oxford University, 2003.

Denise Pannick Award, Honourable Society of Gray’s Inn, 2010.

Churchill Scholarship. Honourable Society of Gray’s Inn, 2011.

Phoenicia Scholarship, Bar European Group, 2012.

Pegasus Scholarship, Pegasus Scholarship Trust, 2016.

International Continuous Professional Development and Legal Practice Development Grant, General Council of the Bar, 2016.

Languages

English (native) and French (proficient).


Joanna's Privacy Notice

Joanna is committed to protecting and respecting your privacy. In order to provide legal services to her clients, including advice and representation services, she needs to collect and hold personal data. This includes her client’s personal data and the personal data of others who feature in the matter upon which she is instructed. To read Joanna’s privacy notice in full, please see here.


DIRECTORY RECOMMENDATIONS

"Joanna is brilliant in cases involving criminal and public law crossover."

Chambers & Partners, 2024, Administrative & Public Law

"A formidable advocate. She combines intellectual prowess and depth of knowledge in international human rights law with creative flair."

Legal 500, 2024, Administrative Law and Human Rights

"Her end product is really, really impressive and she's very user-friendly. She knows when to push and when to compromise."

Chambers & Partners, 2024, Civil Liberties & Human Rights and International Human Rights

"Joanna is a terrific senior junior - she is incredibly knowledgeable, with meticulous research and drafting, measured and persuasive advocacy, and fantastic commitment to her clients."

Legal 500, 2024, Crime

"She is very thorough, well prepared and extremely clever."

Chambers & Partners, 2024, Crime

"Able to apply complex law to novel and complex situations and to succinctly set out her argument in a comprehensive, readable way."

Legal 500, 2023, Administrative & Human Rights

"An able barrister who is going to go far. She is a very good strategic thinker."

Chambers & Partners, 2022, Crime

"Joanna is a wonderful colleague to work with - incredibly hard-working and dedicated, with brilliant legal knowledge and very sound judgment."

Legal 500, 2022, Crime

"She is collegiate with her clients and a good strategic thinker."

Chambers & Partners, 2022, Crime

"She is measured, thoughtful and very effective."

Legal 500 2021, Administrative & Public Law (Including Elections)

"Joanna has particular experience in public law/judicial review and criminal work. This is a highly effective combination, particularly for some of our professional and high profile clients who have the resources available to challenge controversial decisions by authorities and public bodies. In instructing her, I have found her to be extremely thorough and persuasive."

Legal 500 2021, Crime

"Thorough in her approach and highly intelligent."

Chambers & Partners 2021, Crime

"Highly intelligent and capable, and a very, very hard worker."

Chambers & Partners 2020

"An exceptional junior with skills across commercial, civil and public law."

"An exceptional junior with skills across criminal and public law."

Legal 500 2019

"A perfectionist – she is incredibly hardworking and thorough."

Legal 500 2018

"Super bright, so clever, efficient and fantastic to work with."

"She’s very bright and is going to be a complete star."

Chambers & Partners 2018

"Very intelligent, works extremely hard and has got very good judgement."

"An absolute superstar in the making."

Chambers & Partners 2017