Skip to main content

John Aaron Singer

Family Attorney at Rock Island, IL

4.3   6 reviews
  • State Years
    Illinois - IL 9 years
    Iowa - IA 13 years
  • Licensed for 9 years
    State IL
    Acquired 2014
    Active and Authorized to Practice Law No misconduct found
  • Licensed for 13 years
    State IA
    Acquired 2010
    Active No misconduct found

We have not found any instances of professional misconduct for this lawyer.

About John

Learn John’s areas of practice.

Practice areas
  1. Family
    I have experience with and handle divorces, Orders of Protection, adoptions, guardianship for minors, child custody disputes, child support modification, and contempt actions in both Illinois and Iowa.

    12 years

  2. Personal injury
    I handle personal injury claims arising in both Illinois and Iowa.

    5 years

  3. Workers compensation
    While my firm handles Worker's Compensation matters in both Iowa and Illinois my practice focuses on Illinois Worker's Compensation claims on behalf of injured workers.

    5 years

  4. Employment and labor
    I have experience with and handle unemployment appeals, wrongful termination, retaliatory discharge, whistle blower violations, unpaid wage claims, and workplace discrimination in both Iowa, Illinois, and in the Federal Court system.

    12 years

  5. Criminal defense
    I have experience with and handle traffic tickets, simple misdemeanors, serious misdemeanors, aggravated misdemeanors, and felonies in both Illinois and Iowa.

    12 years

Contact John

Similar lawyers nearby

Winstein, Kavensky, and Cunningham
224 18th St Ste 4
Rock Island, IL, 61201-8719


4.3 / 5.0
  6 customer reviews
5 Star
4 Star
3 Star
2 Star
1 Star
Posted by anonymous | May 25, 2019
This review is from a person who hired this attorney.
| Hired Attorney
Never Walking into a Courtroom Without Him Again
I just finished a four day divorce trial with John. I'd consulted with many attorneys and had a previous attorney. John took on my case and essentially inherited a crazy, messy case smack dab in the middle. The opposing side had 9 4 inch binders of exhibits. We had 1. It was so obvious John was the most prepared individual in the room. He used many of their exhibits against them. He systematically undid every argument they had against me. He was magnificent to watch. He knew details about my marriage/divorce that I didn't remember telling him. He made sure I was prepared to take the stand. He treated my professionally always, but also like a friend. He vehemently defended some choices I've made that others wouldn't have. His advice was always spot on, but he also vehemently deffended me if I did not follow his advice exactly. Although, I don't recommend that. He's incredibly instinctive. He is clearly well liked and well respected amongst his peers. He's direct and thorough and is not afraid to defend the truth. Simply put, John Singer is absolutely amazing. I wish I had found my way to him from the very beginning.
Read less
Posted by Jason | March 7, 2016
This review is from a person who hired this attorney.
| Hired Attorney
Very affordable and was an awesome attorney
I would give John a 10 out of 10
Posted by Robb and Angela | March 26, 2015
John Singer is an excellent Attorney!
We hired John 2 years ago to help us with a child custody issue. Termination of Guardianship, for our 4 year old Granddaughter, of which we (the maternal grandparents) had guardianship of. This was an uncontested case in the beginning (3 years ago) that one of the biological parents had asked to have terminated, with several obstacles to over come. John made sure we were very involved, informed, had a very clear idea of all the possibilities and kept us up to date with this case. He worked hard for our granddaughter, and for us. John had researched, studied, and was very prepared for the trial that took 2 years to happen. When it came time for trial, we felt very confident in John and were so very pleased with the results. This case is still ongoing and we plan to retain John and his services. All of his diligence and hard work kept a little girl safe. We would and have recommend him to others facing the same issues.
Read less
Posted by Jen | January 31, 2013
Couldn't switch to a better lawyer!
I contacted John when my previous lawyer failed to contact me for a court date and was overall very unprofessional and harassing. I couldn't have made a better choice! John is very professional and was willing to help at a last minute notice!
Posted by JP | January 30, 2013
If you want results, John Singer should be your Attorney
When it comes to divorce and custody matters, it goes without saying that the legal system can be downright frightening. A knowledgable and skilled Attorney is often the only line of defense to shield you from potentially damaging outcomes. John Singer represented me in matters regarding custody and visitation of my children. It was an emotionally charged and bitter case. The other party's Attorney threw roadblocks in our path at every turn. John navigated through it all, while maintaining a calm, collected presence. Mr. Singer prepared me for every possible outcome, reviewed all the facts with me often, and in the end, provided me with the results I had asked him for. John was honest, compassionate, and well prepared. I pray I never again need family legal services, but if it becomes necessary, I will be contacting John Singer again.
Read less
Posted by anonymous | July 7, 2021
This review is from a person who hired this attorney.
| Hired Attorney
Not very good
Did not feel like he did the best job for me and my children . Always felt he was rude and condescending. It was COVID and I understand courts were backed up but was not kept well informed , then when I eventually called for an update after not hearing anything for months was charged . Me. Singer supposedly has a good reputation but I am not sure he should have even taken my case and I even asked him if it was worth my money and effort to proceed and he told me it was then after almost 2 years ended up that it wasn’t and received a very small amount for my children in a child support case . Would have saved me a lot of emotional distress if he would have just done a little homework to determine it wasn’t going to be . Staff in the firm is rude and always acted like you were bothering them , even though I only called when necessary for an update or to return their call . The only good thing was Mr.Singer’s assistant Deb . She was great .
Read less
View less reviews


  • Free Consultation 30 minutes
  • Hourly Rates $ 250-350 per hour
  • Contingency 30%-45%
Payment methods
Cash, Check, Credit Card


AVVO RATING 9.6 (Superb)

Work Experience

  • Partner
  • Winstein, Kavensky & Cunningham
  • 2015 - Present
  • Associate Attorney
  • Winstein, Kavensky & Cunningham LLC
  • 2010 - 2015


  • University of Iowa College of Law
  • JD - Juris Doctor
  • 2010
  • University of Iowa
  • BA - Bachelor of Arts
  • 2004


  • Iowa State Bar Association, Young Lawyers Division
  • At Large Executive Council Member
  • 2013 - Present
  • Illinois State Bar Association
  • Member
  • 2011 - Present
  • Rock Island County Bar Association
  • Member
  • 2011 - Present
  • Iowa Association for Justice
  • Member
  • 2011 - Present
  • Iowa State Bar Association
  • Member
  • 2010 - Present
  • Scott County Bar Association
  • Member
  • 2010 - Present
  • National Iowa Varsity Club
  • Member
  • 2001 - Present
View all associations

Languages Spoken

  • English

Honors and Awards

  • Emerging Lawyer
  • Leading Lawyers Network
  • 2015

Attorney endorsements

Received (6)
Given (6)
Endorse John
Divorce and separation Attorney | Oct 08
Relationship: Opposing Counsel on matter
"I have been opposing counsel on numerous cases with Mr. Singer, he is knowledgeable of the law and advocates strongly for his clients."
Family Attorney | Jun 01
Relationship: Opposing Counsel on matter
"I have been opposing counsel with John many times. He is a great advocate, always prepared, organized and easy to work with."
Unknown Attorney | Apr 07
Relationship: Fellow lawyer in community
"Top-notch attorney. Highly respected in the legal community."
Criminal defense Attorney | Apr 03
Relationship: Fellow lawyer in community
"I endorse this lawyer. Young lawyer in an excellent firm."
Criminal defense Attorney | Jan 05
Relationship: Fellow lawyer in community
"I endorse this lawyer."
Criminal defense Attorney | Mar 29
Relationship: Fellow lawyer in community
"I endorse this lawyer. John Singer knows what he is doing and is an excellent choice to assist you and guide you through the criminal justice system."
View more endorsements
Estate planning
Criminal defense
Personal injury
Criminal defense
Criminal defense