John S. Sitzler, Sole Proprietor

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(609) 267-1101
(609) 261-0686

While at Rider College in 1972‑1973, John was hired by the Office of Public Defender in Trenton as a part time assistant investigator. Upon graduating from Vermont Law School, he was accepted as Law Clerk to the Honorable Herman Belopolsky, J.C.S., Honorable Harold B. Wells, III, A.J.S.C. and Honorable W. Thomas McGann, J.C.S.

Upon passing the Bar in New Jersey in 1976, he joined the firm of Mathews and Sitzler as an associate and was made partner the following year.

In 1979, John became Solicitor for the Wrightstown Borough Planning Board as well as Municipal Prosecutor for Pemberton Township. Over the next few years John became a Solicitor for the Delran Township Planning Board as well as Municipal Prosecutor for many municipalities including Hainesport, Cinnaminson, Pemberton, Mount Holly, New Hanover, and Springfield.

In 1990, he and his father, John O. Sitzler, Jr., formed the partnership of Sitzler and Sitzler and in 1995 became the Sole Proprietor of Sitzler and Sitzler when his father became of counsel to the firm.

From 2000-2013 John taught as an adjunct Professor of Law at Widener University School of Law. Wilmington, Delaware campus and taught Alcohol, Vehicle, and the Law, one of the most popular courses at Widener.

From 2007-2014, John was nominated by his peers as the Top Attorney to work with on DWI defense cases for SJ Magazine. He was also voted as Top DUI attorney by the public for South Jersey Magazine for the years 2010-2014.

Bar Admissions

  • New Jersey, 1976
  • U.S. District Court District of New Jersey, 1977
  • U.S. Supreme Court


  • Vermont Law School, South Royalton, Vermont ‑ 1976
  • Rider College
    • B.A. ‑ 1973
    • Major: Political Science
  • Certified Alcotest Operator  


  • New Gun Laws in New Jersey, September 2013
  • New Jersey DWI Blood Cases, May 2013
  • Boardwalk Seminar, April 2013
  • DWI Mock Alcotest Trial, December 2013
  • Arrest, Search, and Seizure, October 2014
  • RPC's for Attorneys, September 2014
  • SFST& Blood Testing, May 2014
  • Ethical Challenges Part I, November 2014
  • Shining the Light on SFST's in Court
  • Blood Evidence in DWI Cases: Mastering the Science
  • Lecture speaker for continuing legal education classes
  • National Association of Criminal Defense Lawyers "Big Easy Cross" New Orleans, LA

Honors and Awards

  • SJ Magazine, 2007‑2014, John was voted top DUI attorney by his peers
  • South Jersey Magazine, 2010-2014, John was voted top DUI attorney by the public

Professional Associations and Memberships

  • Burlington County Bar Association
  • Ocean County Bar Association
  • Gloucester County Bar Association
  • Atlantic County Bar Association
  • Camden County Bar Association
  • New Jersey State Bar Association
  • American Trial Lawyers Association
  • National Criminal Defense Lawyers Association
  • National College of DUI Defense

Past Employment Positions

  • Sitzler and Sitzler, Sole Proprietor, 1995 ‑ Present
  • Sitzler and Sitzler, Co‑Founder and Partner, 1990 ‑ 1995
  • Weishoff and Sitzler, Partner, 1987 ‑ 1990
  • Mathews, Sitzler, Weishoff and Sitzler, Partner, 1983 ‑ 1987
  • Mathews and Sitzler, Partner, 1977 ‑ 1983
  • Mathews and Sitzler, Associate, 1976 ‑ 1977
  • Hon. W. Thomas McGann, J.S.C., Hon. Herman Belopolsky, J.S.C., Hon. Harold B. Wells, III, A.J.S.C., Law Clerk, 1976 ‑ 1977
  • New Jersey Office of the Public Defender in Trenton, Investigator (Part time),
  • Pemberton Township, Municipal Prosecutor,
  • Hainesport Township, Municipal Prosecutor,
  • Cinnaminson Township, Municipal Prosecutor,
  • New Hanover Township, Municipal Prosecutor,
  • Springfield Township, Municipal Prosecutor,
  • Wrightstown Borough Planning Board, Solicitor,      
  • Adjunct Professor of Law Widener School of law 2000 to 2013


Criminal Defense News

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Please call the office at (609) 267-1101 to schedule a free consultation to discuss the specifics of your matter. Same day consultations are available. We are available for detention hearings in every county in South Jersey. Detention hearings are normally scheduled with in forty-eight (48) hours of an arrest that resulted in immediate incarceration.

We handle every type of criminal and traffic offense in the Federal Court, the Magistrate Court (military matters) ; the State Courts (superior court), the Municipal Courts located in townships, cities and boroughs within the counties of Burlington, Camden, Ocean, Gloucester, Atlantic, Cumberland, Salem, Cape May, and Mercer.

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1487 State Highway 38 West, Hainesport, NJ 08036
| Phone: 609-267-1101

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