Sonni Williams

Sonni Williams


Sonni Williams is the Deputy Corporation Counsel for the City of Peoria, where she has worked for the City’s Legal Department since 2000, starting as the Assistant Corporation Counsel. Her 15 years of litigation experience cover multiple practice areas, including negotiating settlement agreements of lawsuits involving multiple defendants with potential high figure liability both through in-court mediations and out of court.

Ms. Williams received her Bachelor of Arts from the University of Iowa and her juris doctor degree from Northern Illinois University.

An active member of numerous organizations and respected professional practitioner in both state and federal courts, Ms. Williams is a member of the American Bar Association, the Illinois State Bar Association, Illinois Local Government Lawyers Association, Peoria County Bar Association, the Board of Governors for the Illinois State Bar Association and Abraham Lincoln Inn of Court. She also serves as a Chair member of the Hearing Board for the Attorney Registration & Disciplinary Commission (ARDC) and has also been recognized by the Illinois Local Government Lawyers (ILGL) Association for drafting the Supreme Court Rules governing ordinance prosecution.

Ms. Williams’ service to the community includes serving three years on the Foundation Board for EP!C, f/k/a Parc, whose mission is to enrich the lives of children and adults with developmental disabilities.

Williams was appointed by the Illinois Supreme Court to serve on the Special Supreme Court Committee on Civility which recommended the establishment of the Illinois Supreme Court Commission on Professionalism in 2005.

Sonni Williams has been a member of the Illinois Supreme Court Commission on Professionalism since its inception in 2005.