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Sonni Choi Williams

Candidate for Illinois 3rd District Appellate Judge

Sonni Choi Williams has practiced law in Illinois for 23 years. During this time, she has built extensive experience representing clients in a wide variety of civil and criminal cases.

  • Experience - Since 2017, Ms. Williams has served as a City Attorney for Lockport, Illinois. She has provided representation for clients in multiple types of complex civil cases in state and federal courts. She has argued cases before the Illinois Supreme Court, the federal 7th Circuit Court of Appeals, and the Illinois 3rd District Appellate Court. Previously, Ms. Williams served the city of Peoria as the Deputy Corporation Counsel, Interim Corporation Counsel, Senior Staff Attorney, and Assistant Corporation Counsel. Prior to that, she worked as an Assistant Public Defender for juvenile delinquency for the Tazewell County Public Defender’s Office.
  • Leadership - Sonni Williams has continuously demonstrated her leadership capabilities and commitment to the legal profession. Most notably, she was recently elected as the 3rd Vice President of the Illinois State Bar Association. Sonni also serves as a board member for several associations, including the Illinois Bar Foundation, the Asian American Bar Association of Greater Chicago, and the Korean-American Bar Association of Chicago.
  • Service - A devoted public servant, Sonni Choi Williams currently serves on the board of Illinois' largest non-profit legal agency, Prairie State Legal Services. She regularly works to provide exceptional education for attorneys with the Illinois Institute of Continuing Legal Education. Additionally, she has experience similar to court judges by serving as a Hearing Panel chair member on the Illinois Attorney Registration and Disciplinary Commission overseeing disciplinary cases for over seven years.
  • Recognition - Ms. Williams’ hard work, integrity, and diligence have earned her several awards. Most recently, she received the Alumna of the Year award from her alma mater, Northern Illinois University College of Law. She has received the Illinois State Bar Association Diversity Leadership Award on multiple occasions. The ISBA also awarded Attorney Williams with the Board of Governors Award. Additionally, in 2008, she received the Annual Achievement Award from the Illinois Local Government Lawyers Association.

Sonni lives in Lockport with her husband. They have been married for 25 years and have two adult children.

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