50 Princeton-Hightstown Road, Suite F-1, Princeton Jct, NJ 08550  (609) 897-1111


Juris Doctor (1993) – Seton Hall Law School; Newark, NJ/ admitted to the bar, 1994

Bachelor of Arts (1989) Georgetown University, Washington, D.C.

College of Arts and Sciences / Major in History (Honors)

Senior Thesis-110pp. “Statesmanship and Political Folly, the 1968 Presidential Election.”


General Practitioner,

April 1996 to Present: Principal of The Law Offices of John W. Hartmann. I manage my own law practice that focuses on Criminal Law. I have tried approximately 50 jury trials and have represented thousands of clients in Superior and Municipal Court. I have also served as the Municipal Prosecutor in Bordentown and North Hanover Township and I currently serve as the public defender in West Windsor and Robbinsville Townships.

Legal Services of Mercer Country / Volunteer

December 1994 to February 1995

  • Worked on landlord / tenant cases, both legal research and representation in court.


Member: New Jersey General Assembly, January 1992 to January 1994

Elected as a Republican to the New Jersey General Assembly on November 4th, 1991.

Represented the 15th legislative district, which included over 180,000 residence living in Trenton, Ewing, Lawrence, Princeton and West Windsor. Gained familiarity with all levels of state, local and federal government including the Department of Environmental Protection.

Responsibilities included writing laws, managing an office of three full time employees, and assisting over 5000 people and companies with constituent services.

Commissioner – Mercer County Tax Board, January 2012 to July 2014


Member: New Jersey State Historical Records Advisory Board, appointed by New Jersey Governor Christine Todd Whitman on May 9, 1997


“Grandparent Visitation Rights Evolving Rapidly” New Jersey Law Journal, p. 10,

March 13, 1996.

The American Partisan: Henry Lee and the Struggle for Independence, 1776 – 1780, White Mane

Press, Shippensburg, PA., 2000, 250pp.

Jacket: The Trials of a New Jersey Criminal Defense Attorney, Plexus Publishing, Medford,

New Jersey, 2012, 200 pp.