Attorneys

Managing partner of the Law Offices of Jonathan F. Marshall, a New Jersey criminal and DWI defense law firm with offices in Monmouth County, Middlesex County, Union County, Ocean County, Hudson County and Morris County. Mr. Marshall has been defending individuals charged with drug offenses, assault crimes, theft offenses, DWI, domestic violence, and other charges throughout NJ for almost twenty years. […]

Colin Bonus graduated from the University of Dayton where he earned a B.A. degree in Communication Arts. He obtained a J. D. from the University of Dayton School of Law. He is licensed to practice law in the State of New Jersey and United States District Court – New Jersey. Mr. Bonus focuses his practice on criminal defense and drunk driving matters. In fact, Mr. Bonus is Alcotest Certified and is among […]

Keith G. Oliver is an associate at the Law Office of Jonathan F. Marshall. Prior to coming to the firm in 2010, Mr. Oliver worked at the Essex County Prosecutor’s Office. Mr. Oliver’s entire practice is dedicated to criminal defense work, which includes matters in Federal Court, Superior Court and local Municipal Court’s throughout New Jersey. Mr. Oliver prides himself on […]

Born in Livingston, NJ, and a lifelong resident of Ocean County, attended Seton Hall University on an academic scholarship, and was a member of the mens baseball team. Thereafter attended New York Law School in Manhattan, earning a J.D. Degree in 2007. Clearked for the Hon. James N. Citta, J.S.C. in Ocean County Superior Court. Served as Municipal Prosecutor […]

Frank Gonnello Jr. is the Managing Attorney at the Law Offices of Jonathan F. Marshall. Mr. Gonnello graduated in 2012 from Seton Hall University School or Law with a J.D./M.B.A., and has served as a summer law clerk for the Honorable Judge Edwin H. Stern, formerly […]