New client after hours number: 630-690-6077
Brett T. Williamson
  • Brett T. Williamson


Since joining The Stogsdill Law Firm, P.C. in 2006, Mr. Williamson has worked exclusively in the field of matrimonial law. Mr. Williamson is dedicated to providing his clients, no matter the issue, with experience and knowledge necessary to bring their case to a positive resolution. Mr. Williamson has successfully negotiated settlements and/or litigated issues involving complex financial matters, custody, support and division of property. Mr. Williamson has also successfully negotiated custody/financial settlements as they relate to paternity actions.

Mr. Williamson is also the general counsel and associate board president of Griffith Tutoring. Griffith Tutoring is a non-profit organization preparing at-risk Chicago high school students for the ACT college entrance exam by partnering with businesses and training their professionals to tutor and mentor the students.

Mr. Williamson received a Juris Doctorate degree from The John Marshall Law School in December 2005. Mr. Williamson completed his undergraduate studies at Butler University, where he graduated with a BA in History and English, and also received honors from the History department.

While at Butler, Mr. Williamson was also member of the Division 1 Lacrosse Team and the Sigma Chi fraternity.
Prior to joining The Stogsdill Law Firm, P.C., Mr. Williamson worked as an insurance coverage associate attorney at Bollinger, Ruberry & Garvey in Chicago, Illinois. Mr. Williamson’s previous position provided him with a wealth of knowledge and experience in researching and resolving a wide array of contractual issues.

Mr. Williamson is a member in good standing of the DuPage County, Will County, Chicago, and Illinois Bar Associations. Mr. Williamson is involved in the DCBA mentor-mentee program serving as a mentor to a newly admitted member of the Illinois State Bar. Mr. Williamson has been appointed to the Hearing Board of the Attorney Registration and Disciplinary Commission (ARDC) where he sits on a 3 Judge Panel ruling upon violations of attorneys of the Rules of Professional Conduct.

Practice Areas:

Bar Admissions:

  • Illinois, 2006


  • John Marshall Law School, 2005
    • J.D.
  • Butler University, 2002
    • B.A., History and English

Honors and Awards

  • Rising Stars, Super Lawyers, 2016
  • 10 Best Under 40, American Institute of Family Law Attorneys, 2015-2016
  • Top 40 Under 40, The National Trial Lawyers, 2015

Professional Associations and Memberships:

  • DuPage County Bar Association
    • Member
  • Will County Bar Association
    • Member
  • Chicago Bar Association
    • Member
  • Illinois Bar Association
    • Member
  • Griffith Tutoring
    • General Counsel and Associate Board President
  • DuPage County Bar Association
  • Illinois State Bar Association
  • American Bar Association
  • Rotary of Oak Brook
  • BV Distinguished Rating by Martindale Hubbell
  • American Institute of Family Law Attorneys
  • American Institute of Family Law Attorneys
  • Top 40 Under 40
  • DCBA Law Firm of the Year
    DCBA Law Firm of the Year 2011, 2013
  • Outstanding Service to the Office of the State’s Attorney 2006-2007
    Outstanding Service to the Office of the State’s Attorney 2006-2007
  • Outstanding Misdemeanor Prosecutor 2012
    Outstanding Misdemeanor Prosecutor 2012
  • Client's Choice Award AVVO
    Clients' Choice
  • Thank you for helping me realize how good things really are in my life. I now focus on creating happiness each and every day for me & my girls. Things are definitely looking up!

  • If you are in need of a true advocate, and you are stuck in the family law court system in DuPage then William Stogsdill should be your choice. I feel strongly about his ability and I can't say enough.

  • I just wanted to take a moment to thank you for your professional assistance and advice on my recently dismissed case. I can again look forward to being together with my wife for many more years.

  • Mr. Smit has demonstrated a high degree of loyalty and trust worthiness to his work and to his associates. Justin certainly is an asset to your Law Firm, his organization skills are second to none. I have and will continue to recommend Justin ...

  • You've clearly established a client-focus in your office -- providing your clients with the warmth and understanding they need as they go through a very difficult time. Thank you, again, for all your help.

  • Taking that step to file for divorce was probably one of the most life changing decisions I have ever made. The process is very painful and emotionally draining. I retained Robert Boyd and Justin Smit of The Stogsdill Law Firm, P.C...

The Latest From Our Blog

Illinois divorce attorney, Illinois family lawyer
Bankruptcy, Maintenance, and Child Support
In this day and age, bankruptcy has become more common than it used to be, unfortunately, and as suc...
Continue Reading...
Illinois divorce attorney, Illinois family lawyer
Reinstating Parental Rights In Illinois
In the overwhelming majority of cases, when your or your spouse’s parental rights are terminated, th...
Continue Reading...
Illinois divorce attorney, Illinois family lawyer
Giving Your Children A Chance: Paternity and Custody
It is a common (if somewhat stereotypical) trope that when a child is born, it is the mother who wil...
Continue Reading...

News and Press Releases