David Mangan


David is a partner in our Corporate team, practising in the areas of equity capital markets and securities law.

Between 2016 and 2019, David headed the New York office of Mason Hayes & Curran.

David is also a member of our Capital Markets team and advises listed and unlisted corporate clients and financial advisers on public company transactions, debt and equity offerings, share buybacks, reorganisations and corporate finance.


  • Capital markets
  • Mergers and acquisitions
  • Corporate governance
  • Private equity

Representative Matters

  • Advising Goldman Sachs International in connection with the €718m offer by way of recommended scheme of arrangement by Causeway Consortium Limited for Applegreen plc.
  • Advising Nomura International plc in connection with the €318m offer by way of recommended scheme of arrangement by Outsourcing Inc. for CPL Resources plc.

  • Advised JP Morgan Cazenove in providing cash confirmation in respect of the successful bid for Independent News & Media plc by Mediahuis N.V.


Legal 500, 2019

Clients praise David for being “responsive and helpful”.

Speaking Engagements & Teaching

David lectures regularly on topics in company law and securities law to a wide variety of audiences.

  • 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