Mr Martin Kelleher > Mason Hayes & Curran LLP > Dublin, Ireland > Lawyer Profile

Mason Hayes & Curran LLP
D04 TR29
Martin Kelleher photo

Work Department

Corporate, Life Sciences


Martin is a partner in the Corporate team and head of Life Sciences at Mason Hayes & Curran LLP. He has extensive international experience in corporate law, particularly in the ICT, Life Sciences and Financial Services sectors. Martin has acted in some of the most high-profile M&A transactions in Ireland in recent years.

Martin’s corporate practice focuses on advising Irish and international businesses on mergers and acquisitions, venture capital and private equity transactions, reorganisations and fundraisings.

Martin has an MBA from Cranfield University, School of Management and was a recipient of the J.P. O’Reilly Scholarship from the Law Society of Ireland.


Law Society of Ireland; MBA Association of Ireland.


National University of Ireland, Cork (BCL); Cranfield University, School of Management, (MBA); King’s College London (Postgrad Dip in EU Competition Law); Association of Certified Chartered Accountants (CDipAF).

Lawyer Rankings

Ireland > Healthcare and life sciences

(Leading individuals)

Martin KelleherMason Hayes & Curran LLP

Noted for its ‘excellent service and advice‘, Mason Hayes & Curran LLP has significant expertise in healthcare litigation, defending public and private sector clients against high-profile medical negligence claims. Other areas of strength include M&A in the life sciences sector, patent litigation and regulatory matters. Kevin Power, who specialises in medical negligence and product liability litigation, and Martin Kelleher, who focuses on corporate transactions, jointly lead the team. Gerard Kelly advises on IP matters, Michaela Herron has significant expertise in product liability matters, particularly relating to medical devices, and senior associate Ciara Deasy focuses on healthcare litigation.

Ireland > Commercial, corporate and M&A

The ‘highly professional and competent‘ team at Mason Hayes & Curran LLP has extensive experience of domestic and cross-border M&A, private equity transactions and group reorganisations. It has particular expertise in the technology, energy, life sciences and charity sectors. In addition, the commercial practice advises on large outsourcings and distribution agreements. David O’Donnell heads up the corporate team, which includes Justin McKenna, who is particularly experienced in public M&A. Martin Kelleher has notable expertise in the life sciences sector, while new partner Conall Geraghty stands out for his advice to fast-growth businesses. Claire Lord leads the corporate governance and compliance team.