With over 40 years of experience in the legal field, Walter Jackowiec has seen firsthand how the right legal guidance can transform a family's future. As the Managing Attorney for Marble in Illinois, Walter brings a deep-seated commitment to helping individuals navigate the emotional and logistical hurdles of divorce, custody, and complex family law matters. He believes that legal care should be accessible, transparent, and—above all—human.

Walter’s career is built on a foundation of empathy. Having served thousands of clients, he specializes in distilling complex legal strategies into clear, actionable paths. Whether he is advocating for a parent in a sensitive custody dispute or guiding a service member through a military divorce, Walter’s approach remains the same: listen first, lead with expertise, and fight for a resolution that allows his clients to move forward with peace of mind.

A graduate of Northern Illinois University College of Law, Walter is a respected mentor in the Illinois legal community. His dedication to service extends beyond the courtroom, including his work with the Public Interest Law Initiative (PILI) and providing pro bono support for military families.

Marble—The Law Firm Actually Focused On You

Practice Areas

Family 40%

40%

Adoption 10%

10%

Alimony 10%

10%

Child Custody 10%

10%

Child Support 10%

10%

Divorce and Separation 10%

10%

Mediation 10%

10%

Fees and Rates

We have not found any cost information for this lawyer

Licenses

Licensed in Illinois for 43 years

State: Illinois

Acquired: 1982

Active and Authorized to Practice Law

No misconduct found

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Location

Marble P.C.

John Hancock at 875 N Michigan Avenue, Suite 3100, Chicago, IL, 60611

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Walter R. Jackowiec III's Reviews

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Overall Rating
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5.0 /5.0

19 Client Reviews

Avvo

5.0

(16)

Lawyers.com

5.0

(3 )

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1 star 0

Practice Areas

Divorce & Separation (3) Lawsuits & Disputes (3) Business (2) Child Support (1) Domestic Violence (1) Real Estate (1)

What Clients Mention

Practice Area Knowledge (5) Case Results (3) Recommendation (3) Advocacy (2) Communication Style (2) General Knowledge (2) Professionalism (2) Trustworthiness (2) Compassion (1) Cost of Services (1) Responsiveness (1)

Showing 6 - 10 of 16 reviews

Posted by anonymous | May 05, 2026 | Hired Attorney | Lawsuits & Disputes

Stay ahead of it

It's rare to find this much clarity in a legal matter. Having a clarifying roadmap makes the whole thing feel efficient and manageable. Makes life easier when actually one step ahead of a case.

Posted by anonymous | May 05, 2026 | Hired Attorney

The Right Match

It’s rare to find this much clarity in a legal matter. The efficient matching process finds caring attorneys who genuinely understand the situation. Makes life easier when moving forward with seamless communication.

Posted by anonymous | May 04, 2026

Legal team that cares

Marble really takes the mystery out of the whole legal system. The efficient matching process finds caring attorneys who know the deal. Definitely recommend for anyone wanting confidence-building legal care.

Posted by Chen | May 04, 2026

Different kind of representation

Marble is truly amazing. I’ve been using their product for a while now, and the quality and attention to detail are second to none. It’s rare to find a solution that is both intuitive and highly effective. I highly recommend them to anyone looking for a top-tier experience

Posted by anonymous | April 22, 2020 | Hired Attorney | Divorce & Separation

Class Act!

Walter Jackowiec is a phenomenal lawyer. When I was introduced to him, he was courteous and supportive. He actively listened to the issues involved in my divorce. He was confident that he could win my case. Walt gave me hope, when I had none. He was extremely focused and knowledgeable. Walt explaine...d the process and all of the protocols that had to be followed. He developed strategies for my defense. I had complete trust in him from day one! He is an experienced communicator. Walt was well prepared for my trial. His line of questioning was outstanding. I was very impressed with his eloquent performance. Walt won the trial hands down! My ex and his legal team scrambled try to gain some ground, but Walt defeated them with ease.

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Walter R. Jackowiec III's Lawyer Endorsements

Received

Given

Endorse Walter

Kaitlyn Copi

Divorce and separation lawyer | Jul 31

Relationship: Fellow lawyer in community

"I endorse this lawyer."

Raleigh Kalbfleisch

Family lawyer | Jan 09

Relationship: Fellow lawyer in community

"I endorse this lawyer."

Ramsey Senno

Divorce and separation lawyer | Oct 29

Relationship: Worked for lawyer

"Walt is the definition of "zealous advocacy" and a wonderful trial attorney."

Michael Biederstadt

Divorce and separation lawyer | Jul 23

Relationship: Fellow lawyer in community

"Walt is an exceptional attorney and any client would be lucky to have him as their advocate!"

J. Kulerski

Divorce and separation lawyer | Jun 17

Relationship: Fellow lawyer in community

"Walt is an extremely competent attorney that is at the top of our profession. Every client should have a lawyer like Walt Jackowiec."

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Experience

Rating: 9.9 (Superb)