Peter George O'Connor

Peter George O'Connor

Wheaton, Illinois

Peter is an Associate Attorney at Ramsell & Associates, L.L.C, a criminal defense firm with over 30 years of experience.

Since joining Ramsell and & Associates, Peter has successfully fought for his clients rights in misdemeanors, felonies and traffic cases and has helped them to receive the best outcome as possible. Peter is a member in good standing of the Illinois State Bar Association, the DuPage Bar Association, the Kane Bar Association and the National College for DUI Defense.

In law school Peter was a law clerk for the DuPage County Public Defender's Office where he helped fight for indigent clients charged with felony and misdemeanor crimes. In his last year of law school, Peter also clerked for the Homicide Task Force at Cook County Public Defender's Office. There, he assisted attorneys with clients charged with murder. Overall, Peter has assisted in every stage of the trial process-he filed motions, negotiated plea arrangements, and participated in jury trials.

Peter earned a J.D. from The John Marshall Law School, a M.A. from Purdue University Calumet, and a B.A. from The University of Illinois at Chicago. Peter also served in the U.S. Army for four v years and in the National Guard for six.

Areas of Practice

  • 80% Criminal Defense
  • 20% Traffic

Bar Admissions

  • Illinois, 2015
  • U.S. District Court Northern District of Illinois, 2015


  • John Marshall Law School, Chicago, Illinois
    • J.D. - 2015
  • University of Illinois at Chicago
    • B.A. - 2009
    • Major: English
  • Purdue University Calumet
    • M.A.

Professional Associations and Memberships

  • Illinois State Bar Association, 2015 - 2016
  • DuPage County Criminal Defense Lawyer Association, 2016

Past Employment Positions

  • The Semerad Law Firm, L.L.C., Associate Attorney, 2015 - 2016