Martin Sliwinski, Divorce & Family Law Attorney

Martin Sliwinski is a divorce and family law associate with Stern Perkoski Mendez. He concentrates his practice on various matters related to family law, including high conflict divorce cases, pre- and postnuptial agreements and complex financial analysis.

Martin works diligently and efficiently to walk clients through every phase of whatever issue they face, and to guide clients to the best possible outcomes for their individual case. He does so by listening carefully to clients, advocating zealously for them and making informed and well-prepared arguments before the Court.

While in law school, Martin received three CALI Awards of Excellence for the highest grades in the Justice and Technology Practicum, Securities and Regulations and International Comparative Antitrust. He also served as treasurer of the Child and Family Law Society and volunteered at the Domestic Violence Courthouse in Chicago, where he assisted domestic violence victims with emergency orders of protection.

Martin also served as a judicial extern to the Honorable Helaine L. Berger in the Circuit Court of Cook County, Domestic Relations Division in Chicago. He assisted the Judge in the editing and refining of court opinions and judgments, writing formal memorandums and making recommendations on the merits of motions. He also researched Illinois statutes and case law as it pertained to various pleadings.

Martin joined Stern Perkoski Mendez in 2020 and is ecstatic to bring his experience in family law, as well as his financial background, to the firm.

Divorce & Family Law Services


Martin received his J.D. from Chicago-Kent College of Law with a certificate in business law. He received his B.A. from Cornell University after graduating in three years with a dual major in Economics and Government.

Bar Admissions & Associations

Martin is admitted to practice in Illinois. He is a member of the Chicago Bar Association, the Illinois State Bar Association and the North Suburban Bar Association.

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Martin Sliwinski, Divorce Lawyer in Evanston and Chicago

Martin Sliwinski, Esq.

Divorce & Family Law Attorney
(847) 868-9584

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Contact Information


1603 Orrington Avenue, Suite 800
Evanston, Illinois 60201

161 N. Clark Street, Suite 1600
Chicago, Illinois 60601

250 E. Illinois Road, Suite 200
Lake Forest, Illinois 60045

1200 Jorie Boulevard, Suite 312
Oak Brook, Illinois 60523

Our boutique family law firm is based in Evanston, Chicago, Lake Forest and Oak Brook. We serve clients across Cook County and the North Shore, as well as Lake, DuPage and Will Counties.


“My divorce involved numerous delicate family issues, and Nancy handled them with professionalism, sensitivity and confidence. She was knowledgeable and skillful throughout the litigation process.”

Robert D., Libertyville
For a free consultation, call Stern Perkoski Mendez at (847) 868-9584 or contact us.