
Mason Hayes & Curran LLP’s team is experienced in managing a broad range of white-collar crime matters, with a strong track record of representing state agencies and regulators in inquiries and prosecutions. The team routinely advises public and private sector clients on internal risk management and investigations involving allegations of fraud, corporate wrongdoing, and cyberattacks. Liam Guidera heads the practice and is well-versed in handling fraud and corporate misconduct matters and investigations. Conor O’Leary has notable expertise in fraud-related issues and proceedings.
Legal 500 Editorial commentary
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Conor O’Leary
Practice head
Liam Guidera
Other key lawyers
Colin Monaghan; Peter Johnston; Shane Reynolds; Conor O’Leary
