Ryan assists clients with white collar criminal defense, corporate and government investigations, state administrative proceedings and complex civil litigation. A former Assistant U.S. Attorney for the District of New Jersey’s Criminal Division, she has a wide range of experience with a complex criminal prosecutions and civil enforcement actions, including large-scale health care fraud schemes, corporate misconduct, qui tam whistleblower actions and tax, civil and regulatory offenses.

During her time with the U.S. Attorney’s Office, Ryan served in its Healthcare Fraud Unit, Opioids Abuse Prevention & Enforcement Unit and Public Protection Unit. She secured high-profile convictions of tax fraud, money laundering, insurance fraud, witness tampering and immigration visa fraud, as well as multiple convictions and more than $100 million in criminal proceeds from a national health care fraud scheme that emerged as one of the largest industry conspiracies ever investigated by the U.S. Department of Justice.

Ryan’s white collar defense experience also includes a broad range of civil and criminal cases, including state and federal grand jury investigations, state professional and licensing board inquiries, multi-district products litigation and state consumer class actions, among other matters.

  • New Jersey Board of Bar Examiners’ Committee on Character, member

Ryan was recognized in 2024 as “Up and Coming” in the area of Litigation: White-Collar Crime & Government Investigations for New Jersey by Chambers USA. 

While at the U.S. Attorney’s Office, Ryan received the New AUSA and served as a Special Emphasis Program Manager for the Federal Women’s Program.

Named a 2022 “New Leader of the Bar” by the New Jersey Law Journal, Ryan was distinguished for her professional and public service achievements.

Ryan has been included in The Best Lawyers in America® guide in the area of Criminal Defense: White Collar Law, New Jersey, for 2024.

Education

  • Seton Hall University School of Law, J.D., cum laude
    • Seton Hall Circuit Review, Member
  • The Richard Stockton College of New Jersey, B.S., cum laude

Bar Admissions

  • New Jersey

Court Admissions

  • U.S. District Court for the District of New Jersey

Powerful partnerships. Standout solutions.

Ryan L. O’Neill
ryan.oneill@stevenslee.com
  • Bergen County
  • Phone: 201.857.6769
  • Fax: 610.236.4909
Areas of Focus
Practice
  • Litigation
  • White Collar Defense and Investigations

Ryan assists clients with white collar criminal defense, corporate and government investigations, state administrative proceedings and complex civil litigation. A former Assistant U.S. Attorney for the District of New Jersey’s Criminal Division, she has a wide range of experience with a complex criminal prosecutions and civil enforcement actions, including large-scale health care fraud schemes, corporate misconduct, qui tam whistleblower actions and tax, civil and regulatory offenses.

During her time with the U.S. Attorney’s Office, Ryan served in its Healthcare Fraud Unit, Opioids Abuse Prevention & Enforcement Unit and Public Protection Unit. She secured high-profile convictions of tax fraud, money laundering, insurance fraud, witness tampering and immigration visa fraud, as well as multiple convictions and more than $100 million in criminal proceeds from a national health care fraud scheme that emerged as one of the largest industry conspiracies ever investigated by the U.S. Department of Justice.

Ryan’s white collar defense experience also includes a broad range of civil and criminal cases, including state and federal grand jury investigations, state professional and licensing board inquiries, multi-district products litigation and state consumer class actions, among other matters.

Affiliations

  • New Jersey Board of Bar Examiners’ Committee on Character, member

Recognition

Ryan was recognized in 2024 as “Up and Coming” in the area of Litigation: White-Collar Crime & Government Investigations for New Jersey by Chambers USA. 

While at the U.S. Attorney’s Office, Ryan received the New AUSA and served as a Special Emphasis Program Manager for the Federal Women’s Program.

Named a 2022 “New Leader of the Bar” by the New Jersey Law Journal, Ryan was distinguished for her professional and public service achievements.

Ryan has been included in The Best Lawyers in America® guide in the area of Criminal Defense: White Collar Law, New Jersey, for 2024.

Education

  • Seton Hall University School of Law, J.D., cum laude
    • Seton Hall Circuit Review, Member
  • The Richard Stockton College of New Jersey, B.S., cum laude

Bar Admissions

  • New Jersey

Court Admissions

  • U.S. District Court for the District of New Jersey
Close