David Mangan

Head of New York Office

David is a partner in our Corporate team and head of our New York office, practising in the areas of company law and securities law. 

David is also a member of our Capital Markets team and advises listed and unlisted corporate clients on transactions such as mergers and acquisitions, debt and equity offerings, share buybacks, reorganisations, cross-border mergers and financing.

David closely advises a number of listed clients on corporate governance and securities regulation matters, such as compliance with listing rules and relevant codes.


  • Equity capital markets
  • Mergers and acquisitions
  • Corporate governance

Representative Matters

  • Acted for Activision Blizzard, Inc. In its $5.9bn recommended offer by way of scheme of arrangement for King Digital Entertainment plc.
  • Advised Irish Residential Properties REIT plc on its €215m secondary offering on the Irish Stock Exchange.
  • Advised Flag Telecom Group on Irish aspects of the issue of a high yield bond offering, listed on the Hong Kong Exchange.

Speaking Engagements & Teaching

David lectures regularly on topics in company law and securities law, including the Companies Act 2014, to a wide variety of audiences.  


David has contributed articles on commercial law topics to Commercial Law Practitioner, the Irish Tax Review, the Law Society Gazette, Irish Law Times and Company Lawyer.

David is a contributor to the Companies Acts 1963-2012 (Lyndon MacCann and Thomas B. Courtney eds., Bloomsbury Professional).

  • Google+
  • LinkedIn

Areas of Expertise

Equity Capital Markets Company Law Corporate Governance & Compliance Corporate Law Mergers & Acquisitions

Professional Memberships

The Law Society of Ireland

The Law Society of England and Wales


Trinity College Dublin, BA, Business Economics and Social Studies

Columbia University, MA, Political Science