Mariellen’s extraordinary background includes substantial prosecutorial experience with both the United States Department of Justice and New Jersey Office of the Attorney General, over a decade serving as General Counsel and Chief Compliance Officer for a major energy services holding company, and vast experience counseling and litigating on behalf of corporate clients.
Before joining Calcagni & Kanefsky, Mariellen was a partner at a preeminent national law firm, representing companies in litigation, government and internal investigations, and corporate compliance.
Mariellen served for eleven years as General Counsel and Chief Compliance Officer at New Jersey Resources Corporation, a publicly-traded Fortune 1000 company, where she oversaw all aspects of litigation, including commercial, regulatory, securities, employment, and mass tort. Mariellen also counseled and worked closely with the Board of Directors and Senior Management on corporate crisis management, government investigations, regulatory strategy, risk alignment, and compliance.
Before joining New Jersey Resources Corporation, Mariellen served as an Assistant United States Attorney for the District of New Jersey, where she investigated and prosecuted all manner of complex white-collar crime, including fraud, money laundering, and political corruption. During her time as Federal prosecutor, she tried more than a dozen felony cases to verdict.
Mariellen also served as First Assistant Attorney General and Chief of Staff to the Attorney General of New Jersey. As the State’s second highest-ranking prosecutor and second-in-command of one of the largest departments of state government, Ms. Dugan directed the investigation and prosecution of hundreds of criminal matters, managed the State’s most high-profile litigation, and oversaw all twenty-one state county prosecutors and the New Jersey State Police. She also counseled state regulators and members of the governor’s cabinet and executive staff on high-level policy matters.
Mariellen began her career as a judicial law clerk for United States District Judge Dickinson R. Debevoise in the District of New Jersey.