Michael K. O'Neil
Senior Associate

Michael O’Neil is a Senior Associate in the firm’s Litigation, Business and Finance, and Financial Institutions Practice Groups. Prior to joining Rath, Young and Pignatelli, P.C., Michael worked for a mid-sized firm in Boston, where he represented commercial borrowers and guarantors in all aspects of insolvency, bankruptcy, and restructuring matters including formal in-court proceedings and out-of-court workouts and other restructurings and refinancings. Michael also routinely represents bankruptcy trustees, court-appointed receivers, and other estate fiduciaries, as well as trade creditors and official committees in bankruptcy and receivership proceedings. In those contexts, he has successfully reorganized multiple corporate and individual bankruptcy estates in contested Chapter 11 proceedings and has prosecuted and defended claims on behalf of clients in state and federal trial and appellate courts, including matters involving the avoidance and recovery of fraudulent and preferential transfers, director and officer claims, equitable subordination and recharacterization claims.

Michael received his J.D., cum laude, from Boston College Law School in 2012 where he was Managing Editor of the Journal of Law and Social Justice, a research assistant to Professor Ingrid Hillinger, and a member of National Transactional LawMeet team. Michael served as an intern for the United States Attorney’s Office in Concord, NH during law school. Michael received a B.A. from Tufts University in Economics in 2008, where he captained the golf team.

Michael is admitted to practice before state, federal and bankruptcy courts in both New Hampshire and Massachusetts and in the First Circuit Court of Appeals.


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More About
Education and Bar Admissions


  • Tufts University, B.A. in Economics, 2008
  • Boston College Law School, J.D., cum laude, 2012

Bar Admissions

  • New Hampshire
  • Massachusetts
  • United States District Court, District of New Hampshire
  • United States District Court, District of Massachusetts
  • First Circuit Court of Appeals