Life Sciences and Healthcare

Emma practises corporate law and regularly spends time in the US with her clients. She works with international companies on the establishment, expansion and operation of their businesses in Ireland.

Emma also advises clients on the complex legal issues that can arise on international transactions involving Irish subsidiaries of foreign companies, including advising on a broad range of corporate reorganisations. She regularly leads group-wide multi-jurisdictional international restructuring projects.

Pat English is a Partner in the Corporate Department at Matheson. He is head of the firm’s market-leading International Business Group and co-head of the Firm’s US Business and Inward Investment Groups.

Pat is a highly experienced corporate lawyer focusing primarily on advising overseas clients on establishing operations and doing business in and from Ireland.

Seóna is a partner in the firm’s International Business Group.

Seóna practices Irish corporate law, with a primary focus on advising US and other international clients on the Irish legal aspects of doing business in and from Ireland.

Gráinne Boyle is a partner in the firm’s International Business Group. She practices Irish corporate law, with a primary focus on advising US and other international clients establishing operations, and doing business in and from Ireland.

Gráinne provides advice in relation to inward investment projects, providing insights on the Irish legal considerations associated with establishing operations and headquarters in Ireland.

She also provides ongoing corporate governance advice in connection with the day-to-day operation of Irish businesses. As part of this role, Gráinne acts as an external board advisor, and provides strategic advice on best corporate governance practices.

Kieran Trant is a partner and a member of the US Business and Inward Investment Groups at Matheson.

Kieran practices corporate law and works with international companies on the establishment, expansion and operation of their businesses in Ireland. Kieran also advises clients on the complex legal and commercial issues that can arise on international transactions involving Irish subsidiaries of overseas companies, including advising on a broad range of corporate reorganisations.

As their Irish corporate counsel, Kieran also advises multinational companies on a broad range of corporate governance and general commercial issues, including directors’ duties and compliance matters. In addition, he provides ongoing corporate advice and strategic counselling to clients, including advice in relation to distributions and complex cash repatriation strategies.

Kieran was previously seconded to Matheson’s Palo Alto and San Francisco offices and is a frequent visitor to the San Francisco Bay Area and other US locations where his clients are based.

David is a partner and Head of the Firm’s Corporate M&A Group and the Corporate Department.

He has extensive experience assisting clients across a range of industries on doing business in and from Ireland,  including advising on acquisitions/disposals, capital raisings, corporate migrations, cross-border mergers, joint ventures and reorganisations. David has significant experience advising on take-private transactions and has advised on many of Ireland’s most notable transactions.

He has worked with a wide range of domestic and international corporations providing ongoing strategic advice to their boards. He has a broad-based practice reflecting his considerable experience across the agri-food, financial services, healthcare / life sciences and manufacturing sectors.

John is a partner in the Corporate M&A Group and a member of our cross-departmental Healthcare and Life Sciences Group.

John specialises in corporate transactions (both domestic and international) including mergers and acquisitions, shareholder arrangements, equity fundraisings, joint ventures, corporate reorganisations and restructurings, corporate redomiciliations and general commercial matters. He advises leading Irish and multi-national public and private companies on private M&A and public company transactional mandates. John has particular experience in the Life Science and Aviation sectors, having worked on many significant corporate transactions in these sectors in recent years.

David is a partner in the Corporate M&A Group, based in Matheson’s New York office.

David advises on a broad range of public and private company transactions, specialising in equity capital markets deals, public company M&A (hostile and recommended offers), group reorganisations and corporate redomiciliations.

He also advises corporate and individual clients on European securities law, Irish and UK Listing Rules and the Irish Takeover Rules, as well as Irish company law.

Susanne is a partner in Matheson’s Corporate Group specialising in corporate advisory matters and equity capital markets transactions.

Susanne has particular expertise in corporate governance and compliance matters and in securities regulation under the Market Abuse Regulation and the Transparency and Prospectus regimes, the Irish Listing Rules and the Irish Takeover Rules.

Brian is a partner in the firm’s Tax Department and advises multinational corporations doing business in and from Ireland on all aspects of Irish corporate taxation.

Brian has a particular interest in cross border tax planning, transfer pricing and tax controversy matters and also has extensive experience in structuring mergers and acquisitions and corporate reorganisations. His clients include many of the leading multinational corporations operating in the ICT, life sciences, manufacturing, retail and industrial sectors in Ireland. Brian also advises on Irish stamp duty matters particularly in the context of global reorganisations.

Matthew Broadstock is a partner in the Tax practice of Matheson, where he heads the Indirect Taxes group, specialising in cutting-edge VAT developments at both Irish and EU levels as well as advising on Customs and Excise matters, and Relevant Contracts Tax.

Matthew is a member of the Law Society Taxation Committee and is Chair of the Indirect Tax TALC Consultative Committee on behalf of the Law Society during 2025.  Matthew plays a pivotal role in shaping Ireland’s indirect tax dialogue with the Revenue Commissioners.

Catherine is a partner in the tax department at Matheson.

Catherine has significant experience advising multinational corporations doing business in Ireland on Irish corporate tax.

Her work primarily comprises advising multinationals on the Irish tax aspects of their operations including tax effective structuring of global reorganisations, IP ownership, inward investment projects and cash repatriation strategies.

Kate is a partner in the Competition and Regulation Group.

Prior to joining Matheson, Kate worked at a Magic Circle law firm in London.

Kate’s competition practice involves advising clients on merger control, behavioural competition issues (including investigations of alleged collusion and abuse of dominance), State aid, the Foreign Subsidies Regulation, Foreign Investment Screening regimes & public procurement competition issues.

Nicola Dunleavy is “not only a skilled lawyer but also has strong emotional intelligence”.

Nicola Dunleavy is a consultant in Matheson’s Disputes and Investigations Group, with a broad commercial litigation, investigations and arbitration practice. In 2021 she was appointed by the Irish Government as a Senior Counsel.

Nicola represents clients in complex, multi-jurisdictional commercial disputes, including arising from mergers and acquisitions and EU law, and in constitutional litigation. Sectors include technology and telecommunications, pharmaceutical, chemicals, food and drink, waste, water, energy, mining, and transport.

Rebecca Ryan is a partner and head of the Healthcare Group in Matheson’s Disputes and Investigations Group and a recognised leader in her field, specialising in professional indemnity and product liability claims.

Justine Sayers is a partner in the Healthcare Group, specialising in professional indemnity claims (in particular, medical negligence and clinical malpractice), healthcare, catastrophic personal injuries claims and product liability actions.

Garret is a partner and head of both Matheson’s Energy, Natural Resources and Utilities Group and Projects and Infrastructure Group. Garret is also a member of Matheson’s ESG Advisory Group.

He advises on all aspects of energy, natural resources, utilities and infrastructure projects and project financing, from PPPs to privately-financed electricity and gas developments and privatisations as well as electricity, gas and telecommunications network infrastructure.

Garret specialises in particular in the areas of electricity and gas market regulation and trading.

Sarah Jayne Hanna is a partner in the Technology and Innovation Group at Matheson.

She advises clients on all technology-related issues, with a particular focus on artificial intelligence, digital services regulation (DMA and DSA), and data access. In addition, she has significant experience advising on data protection and cybersecurity matters, including advising on strategic data protection compliance, employee data protection issues, data subject access requests, and responding to data breaches and cyber incidents.

Simon is a partner in the Competition and Regulation Group at Matheson.

Simon advises on all aspects of EU and Irish competition and regulatory law with a particular focus on regulated sectors primarily the telecoms, media, technology, infrastructure, food & beverage and life sciences sectors.

Simon also co-leads Matheson’s Foreign Direct Investment / Foreign Investment Review practice advising businesses on navigating Ireland’s new FDI regime and acquisitions of ‘critical’ and ‘sensitive’ assets and businesses.

Marie is a partner and Head of the Technology and Innovation Group at Matheson.

A recognised leader in the technology sector and in data protection, Marie’s expertise is in technology regulation, including AI, outsourcing, commercial contracts, information law, and data protection.

Marie also brings extensive experience in cyber security, crisis management, intellectual property, and consumer law.