Zoe specialises in public, human rights, regulatory, education, data protection and information law.

She is ranked as a leading junior in Chambers and Partners and Legal 500 and was shortlisted for the Legal 500 Public Services and Charities Junior or the Year in 2025. She is on both the Equality and Human Rights Commission’s Panel of Counsel (B Panel) and the Attorney General’s “B” Panel of Counsel.

She is described in the directories as: “a fantastic public law barrister”; “destined to take silk”; “a real expert, especially in education and human rights”; “extremely bright”; “an excellent legal brain”; “a very creative barrister who thinks outside the box”; “clear, concise, technically strong and an all-round pleasure to work with”; “brilliant at making her point”; “pragmatic and fiercely intelligent”.

Zoe regularly appears in the High Court, Court of Appeal and Supreme Court in high profile and test cases. This has recently included some of the most high profile cases in the Supreme Court in: For Women Scotland v Scottish Ministers [2025] UKSC 16, R (oao Jwanczuk) v Secretary of State for Work and Pensions [2025] UKSC 42, and AG Reference [2026] UKSC 16.

  • Quotation symbolShe is excellent on her feet, a great drafter and clients really like her. She is patient and brilliant at making her point.

    Quotation symbolChambers and Partners 2025
  • Quotation symbolZoe is a fantastic public law barrister. She is objective, very smart, fast, reliable, amazingly well organised, and proactive.

    Quotation symbolLegal 500 2026
  • Quotation symbolZoe is everything you could wish for in a junior. She is destined to take silk

    Quotation symbolChambers and Partners 2026

Expertise

TogglePublic, Human Rights and Civil Liberties

Zoe is a specialist barrister with extensive expertise in administrative law, civil liberties and human rights claims, often with a regulatory element.  Her experience also spans procurement and commercial judicial review.  She regularly acts for and advises public bodies, commercial entities and individuals as sole counsel and as a member of a larger team.

Zoe has significant appellate experience including in the Court of Appeal and Supreme Court and has been instructed in relation to applications to the European Court of Human Rights. She has appeared as sole counsel in the High Court, the Divisional Court and a range of Tribunals, including on appeal in the Upper Tribunal.

She is regularly instructed in high profile and sensitive cases, with a particular focus on claims involving the rights of individuals under the European Convention on Human Rights, and the Equality Act 2010.  Recently this has included three leading Supreme Court cases:

  • For Women Scotland v Scottish Ministers [2025] UKSC 16, the landmark judgment on the meaning of “sex” in the Equality Act 2010.
  • R (oao Jwanczuk) v Secretary of State for Work and Pensions [2025] UKSC 42, on Article 14, Article 8 and A1P1 of the Convention and the proper approach of senior courts (Court of Appeal and High Court) in England and Wales to decisions of higher courts in Scotland and Northern Ireland.
  • AG Reference [2026] UKSC 16 on Article 5 the Convention and whether the Supreme Court should apply the 1966 Practice Statement and depart from its 2014 decision in Cheshire West.

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  • Zoe is a fantastic public law barrister. She is objective, very smart, fast, reliable, amazingly well organised, and proactive.

    Legal 500 2026
  • Zoe has an excellent grasp across a range of areas in public law, and she is highly regarded by clients.

    Chambers and Partners 2024
  • Zoe is a friendly and approachable advocate who is able to turn around complex advice quickly.

    Chambers and Partners 2024

Download Public CV

ToggleEducation

Zoe is ranked in both Chambers and Partners and Legal 500 as a leading junior in Education Law.

Zoe represents and advises both claimants and defendants (local authorities, academies, universities and independent schools) in the full range of education matters.

She has extensive experience in the High Court, County Court, SENDIST and Upper Tribunal as sole counsel and being led in the Court of Appeal.  Her cases frequently involve complex issues of Convention rights and discrimination law.

Zoe is a contributor to the Education Law Handbook (LexisNexis, 2021)

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  • Zoe is my go-to for higher education matters. She is clear, concise, technically strong and an all-round pleasure to work with!

    Chambers and Partners 2023
  • Hugely knowledgeable and skilled in local government matters. She has built up a fantastic reputation as a go-to barrister for the more complex social care and education judicial reviews.

    Legal 500 2024
  • Zoe is my go-to for advice on all student litigation cases. She is a joy to work with, nothing is too much trouble and she is knowledgeable.

    Chambers and Partners 2024

Download Education CV

ToggleRegulatory and Professional Discipine

Zoe has significant experience in the field of regulatory law and professional discipline.  In particular, she is experienced in cases involving the interrelationship between public and regulatory law, and judicial review of regulatory bodies.

She has been instructed on a number of key judicial review cases involving regulatory bodies, in disciplinary tribunals and as sole counsel in the High Court on appeal.  She has experience of acting for and against a number of regulatory bodies including: Bar Standards Board, Care Quality Commission, Solicitors Regulatory Authority, Royal Institute of Chartered Surveyors, Pearson, and the Information Commissioner.

Download Professional Disciplinary & Regulatory Law CV

ToggleHealth, Social Care and Court of Protection

Zoe has particular expertise in the related areas of community care, court of protection and healthcare. Zoe regularly acts for and advises local authorities, and Integrated Care Boards in community care and court of protection cases. She has experience in funding disputes, including complex s.117 and continuing health care disputes.

Her experience includes cases on local authority obligations to children, for example in R (on the application of TW) v Essex CC [2024] EWHC 264 (Admin) and R. (on the application of DF) v Essex CC [2023] EWHC 3330 (Admin).

Zoe was led by Jonathan Auburn KC in R (SH) v Norfolk County Council [2020] EWHC 3436 (Admin); [2021] PTSR 969 and by Clive Sheldon KC in R. (on the application of YVR) v Birmingham City Council  [2024] P.T.S.R. 866, and by Jo Clement KC in R (YVR) v Birmingham City Council [2025] EWCA Civ 393: both cases concerning Article 14 and A1P1 on local authority charging policies.

Zoe has experience in defending challenges to the alleged failure to properly assess care needs, and the amount of funds provided to meet needs (Zoe was led by Jonathan Auburn KC for Oxfordshire in R. (on the application of Davey) v Oxfordshire CC  [2018] P.T.S.R. 281: leading Court of Appeal authority on decision making under the Care Act 2014 and Davey, R (on the application of) v Oxfordshire County Council [2017] EWHC 354 (Admin), (2017) 20 CCLR 303).

Zoe was instructed by the Secretary of State for Health and Social Care, led by Joanne Clement KC, in what will be a leading case on the meaning of deprivation of liberty (under Article 5 of the Convention) in the Supreme Court in AG Reference on Cheshire West. She has experience in the Court of Protection including in end of life and serious medical treatment cases such as in Imperial College Healthcare NHS Trust v MB [2019] EWCOP 30, [2019] 7 WLUK 320 and Imperial College Healthcare NHS Trust v MB  [2019] EWCOP 29, [2019] 5 WLUK 673.

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  • She has built up a fantastic reputation as a go-to barrister for the more complex social care … judicial reviews.

    Legal 500 2024
  • Zoe is a fantastic public law barrister. She is objective, very smart, fast, reliable, amazingly well organised, and proactive.

    Legal 500 2026
  • She is very good, extremely bright and hard-working.

    Chambers and Partners 2025

Download Health & Community Care CV

ToggleData and Information

Zoe has experience acting both for and against the Information Commissioner in relation to high value and high-profile Monetary Penalty Notices involving IT related data breach cases.

Zoe also has experience in the context of group action challenges to the recording of personal data.

Her information law experience includes substantial work for the Information Commissioner and for public bodies on FOIA/EIR appeals in the First-tier and Upper Tribunals, frequently as sole counsel against silks and senior juniors.

Download Information and Data Law CV

ToggleInvestigations and Inquiries

Zoe has experience of working in high profile and complex investigations and inquiries.  This has included:

  • The Covid Inquiry: acting for the Ministry of Defence in the inquiry streams on procurement and preparedness. This included advising on and assisting in the preparation of witness evidence that was to be submitted to the Inquiry.
  • The Independent Review into Child Sexual Abuse in Football 1970-2005. Instructed by the Football Association in a four year independent investigation led by Clive Sheldon KC (as he was then now Mr Justice Sheldon) into child sexual abuse in football (2017 -2021). This was a high profile investigation which was covered extensively in the national media. The eventual report was over 700 pages long and the investigation had required the review of thousands of pages of documents dating back to the 1970s and hundreds of interviews with survivors and those involved in football over the last 50 years.
  • Sole counsel to the review conducted by Sir Joseph Pilling into the Independent Press Standards Organisation (IPSO) the print industry regulator.

Download Investigations CV

Achievements

ToggleEducation

Zoe was awarded a First Class Honours Degree from Warwick University in 2007 and was later graded Outstanding in the Bar Professional Training Course (“BPTC”). She  achieved the highest grade in her year in opinion writing.

ToggleOther

Zoe has won a number of awards and prizes including:

  • Phoenica Scholar (Bar European Group)
  • The Holt Scholarship for the BPTC from Gray’s Inn (Major Scholarship) Norman Tapp Memorial Prize for Mooting from Gray’s Inn
  • Finalist Gray’s Inn Moot Competition 2013
  • Finalist Times/Herbert Smith Advocacy Competition 2009

Prior to commencing pupillage Zoe worked for a range of NGOs. Her experience gives her a valuable insight into the political process and the demands that unions, public and third sector organisations face.

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  • Quotation symbol

    Zoe Gannon offers first-class client service

    Chambers and Partners 2026
  • Quotation symbol

    Zoe's drafting and judgement is excellent.

    Chambers and Partners 2026
  • Quotation symbol

    Zoe is a fantastic public law barrister. She is objective, very smart, fast, reliable, amazingly well organised, and proactive.

    Legal 500 2026
  • Quotation symbol

    Zoe is a real expert, especially in education and human rights. She is excellent on the nuts and bolts of a matter. She's very good at giving balanced and objective perspectives, which is very useful.

    Chambers and Partners 2026
  • Quotation symbol

    She is excellent on her feet, a great drafter and clients really like her. She is patient and brilliant at making her point.

    Chambers and Partners 2025
  • Quotation symbol

    She is very good, extremely bright and hard-working.

    Chambers and Partners 2025
  • Quotation symbol

    Zoe is incredibly hardworking and proactive. Her ability to strike the right tone in client communications is second-to-none. You know you will be properly looked after if Zoe is working for you.

    Legal 500 2024
  • Quotation symbol

    Hugely knowledgeable and skilled in local government matters. She has built up a fantastic reputation as a go-to barrister for the more complex social care and education judicial reviews.

    Legal 500 2024
  • Quotation symbol

    She has an excellent legal brain.

    Chambers and Partners 2024
  • Quotation symbol

    Zoe is an excellent drafter and good on her feet.

    Chambers and Partners 2023
  • Quotation symbol

    A very creative barrister who thinks outside the box

    Chambers and Partners 2022
  • Quotation symbol

    She is pragmatic and fiercely intelligent

    Chambers and Partners 2021