Matthew W. O’Neil, an associate at Costello, Cooney & Fearon, started his tenure with the Firm in 2018.
Handling a wide variety of litigation matters, Matthew focuses primarily on contract, business governance and real property lawsuits, as well as appellate practice. Matthew also advises clients regarding business disputes and dissolution.
Executive Editor of Cornell Journal of Law and Public Policy
Nelson A. Rockefeller College of Public Affairs & Policy
Committee on Technology and the Legal Profession