Aishlinn
Gannon
Partner
Aishlinn Gannon is a partner in Matheson’s Disputes and Investigations Group, where she leads on complex, high-stakes disputes and contentious regulatory matters, with a particular focus on the financial services sector.
A seasoned litigator, Aishlinn has acted in many of the most significant commercial disputes in recent years. She represents leading financial institutions, global corporates and insurers in complex litigation before the Superior Courts, bringing a strategic and commercially-focused approach to each matter.
As trusted adviser in regulatory investigations and enforcement actions, Aishlinn supports both domestic and international clients navigating regulatory scrutiny, crisis response, and reputational risk. She delivers clear, strategic advice to organisations, and senior individuals on all aspects of investigations and enforcement actions.
Her practice spans a broad range of regulatory and white collar matters, including financial services enforcement, fraud, corporate offences, anti-bribery and corruption compliance under Irish and EU regimes.
Aishlinn is recognised for her pragmatic, solutions-driven advice and regularly advises senior executives and boards on internal investigations and regulatory engagement.
Aishlinn works closely with Matheson’s cross-disciplinary teams and technical experts across Matheson’s non-contentious practice groups, including Technology and Innovation, Financial Institutions, Asset Management, Finance and Capital Markets and Corporate, to ensure clients benefit from a coordinated, cross-disciplinary approach.
Experience and Education
Aishlinn’s experience includes:
- Acting for an asset management company in relation to Commercial Court proceedings regarding the management of certain funds;
- Acting for financial institutions in relation to investigations and enforcement actions by the Central Bank of Ireland pursuant to Part IIIC of the Central Bank Act1 942 (as amended);
- Advising financial services providers in relation to complaints before the Financial Services and Pensions Ombudsman (“FSPO”);
- Acting for financial services providers in connection with High Court and Court of Appeal proceedings challenging decisions of the FSPO, including advising the first financial services provider to successfully challenge two decisions of the FSPO under the Financial Services and Pensions Ombudsman Act 2017;
- Acting for an international financial institution in relation to long running Commercial Court proceedings arising out of the fraud of Bernard L Madoff Investment Securities;
- Advising an asset management company in relation to Commercial Court proceedings regarding a dispute with an employee in relation to an incentives scheme;
- Advising a multi-national company in relation to complex Commercial Court proceedings regarding the declinature of claims made under various Directors and Officers policies;
- Advising a public body on their new regulatory function and sanctions regime and the exercise of their statutory powers;
- Advising a regulator on their investigation and sanctions regime and subsequent large scale inquiry in to a financial institution;
- Advising clients across a number of industry sectors on potential fraud, bribery and corruption offences and reporting obligations under section 19 of the Criminal Justice Act 2011.
- Admitted as a solicitor in Ireland – 2014
- King’s Inn, Advanced Diploma in Applied Employment Law – 2019
- National University of Ireland, Galway, LLM (Public Law) – 2009
- National University of Ireland, Galway, LLB – 2008
