Holding law degrees in both the United States and Ireland, Aidan has a background in both commercial real estate and foreign direct investment. Aidan has had a significant role in the development of Sullivan's Commercial Real Estate Development, Investment and Finance and Foreign Direct Investments Practices serving the technology, life sciences, financial services and commercial real estate sectors in the United States and Europe. He serves on several for-profit and non-profit advisory boards. He is a Fellow of the Smurfit Graduate School of Business at University College Dublin and Founding member of the school's North American Board.  

Since his move to the United States, Aidan has assisted hundreds of companies and institutions in the United States, Ireland and the European Union, including banks, real estate investors, life sciences and technology venture capital firms, and technology and manufacturing companies, particularly those looking to establish and be capitalized in the United States. His clients also include numerous high-net-worth individuals (HNWI) and international investors as well as world-class athletes. The majority of Aidan’s clients are serviced by Sullivan’s technology, real estate,  REIT, capital markets, tax, corporate and litigation practice areas. 

Aidan has also served as a foreign direct investment consultant to Ireland’s leading law firm, A&L Goodbody, for over 25 years. In this role, he has assisted American corporations as they enter Ireland and the EU. He serves on several advisory boards, including The Cashman Group, Patriot Renewables, PEC, Inc., The Irish American Partnership and is also the Chairman of the Boston Friends of the Gaelic Players Association. Aidan serves as managing partner of Boston Life Sciences LLC, GPO1916 LLC, Three Castles Enterprises, LLC and has assisted in several funds in capital formations. 

Bar & Court Admissions

  • The Republic of Ireland
  • Massachusetts (foreign legal consultant)


  • J.D., Suffolk University Law School, Boston, MA
  • J.D., Incorporated Law Society of Ireland, Dublin
  • B. Comm., University College, Dublin

Community Engagement

  • Member, Incorporated Law Society of Ireland
  • Member, Massachusetts Bar Association (foreign legal consultant)
  • Member, Boston Bar Association
  • Member, International Bar Association
  • Host Committee Member, International Bar Association's Annual Meeting
  • Former Member, Law Society of England and Wales
  • Founding Member, North American Board, Smurfit Graduate Business School of University College, Dublin 
  • Board Member, Greater Boston Chamber of Commerce 
  • Chairman, Boston Friends of the Gaelic Players Association
  • Executive Leadership Institute Participant, Greater Boston Chamber of Commerce, 2012
  • Board Member, Irish American Partnership
  • Member, Greater Boston Chamber of Commerce Membership Committee
  • Member, Neenan Society, Boston College
  • Chairman, Boston Advisory Board, Haven for Haiti (a world humanitarian organization)
  • Director, Guestbook Project

Awards & Honors

  • "Boston Irish Business Award," Boston Business Journal and the Boston Irish Business Association (2013)
  • "Leader in Law," Irish Leaders of New England Award (2012)
  • "U.S.-Irish Top Legal 100," Irish-America Magazine (2007-2009)
  • "Most Influential U.S.-Irish Business Leader," Business & Finance (2007-2009)
  • Fellow, Michael Smurfit Graduate School of Business, University College, Dublin, Ireland (2007)

Seminars & Presentations



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