Stephen is a partner at Arthur Cox, Ireland’s largest law firm, specializing in M&A and ECM. He has advised on some of the leading Irish corporate transactions in recent years, including a number of mergers, acquisitions, corporate migrations, IPOs and public offerings which have made Irish structures a focus for international corporate transactions. He has particular expertise in corporate transactions in the financial, telecommunications and life sciences sectors, as well as corporate inversions, redomiciliations and migrations into Ireland of NYSE and Nasdaq listed companies.

Recent Mandates

  • Advised Tyco on its $16 billion merger with Johnson Controls
  • Advised Allergan on its $150 billion inversion takeover by Pfizer
  • Advised Eir (Ireland's incumbant telco) on its €3.5 billion sale to NJJ/Iliad
  • Advised the Irish Stock Exchange on its sale to Euronext
  • Advised Mylan on its $27 billion offer for Perrigo
  • Advised Bank of Cyprus on its holding company reorganisation using an Irish listed holding company and €1.45 billion flotation on the LSE
  • Advised Bank of Ireland on its €14 billion of capital raising, and subsequent sale by the Irish State of its €3.5 billion preference shareholding
  • Advised a consortium of Santander, Deutsche Bank, HSBC, KBC, Natixis, Nordea, Rabobank, Société Générale and UniCredit on the establishment of the blockchain international payment system
  • Advised Greencore on its $750 million acquisition of Peacock Foods
  • Advised TE Connectivity on its $895 million acquisition of Creganna
  • Advised Air France on the sale of Cityjet to Intro Aviation
  • Advised Patrick McKillen on the defense of the takeover bid for the Claridges Hotel Group
  • Advised Covidien on its $43 billion inversion takeover by Medtronic
  • Advised Mallinckrodt on its $8 billion merger with Questcor, $2.4 billion takeover of Cadence Pharmaceuticals and $2.3 billion acquisition of Ikaria

  • LL.B., Trinity College Dublin, first class honors (2001)
  • Ph.D, Trinity College Dublin (2006)

Of Note
  • Editor-in-Chief, Trinity College Law Review (2000-2001)
  • Non-Executive Director of Aidlink (2006-2015)
  • President of the Ireland Spain Economic Association (2013-2015)