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Maria G. Antoniolli

Maria G. Antoniolli

Associate Attorney at McSwain Nagle & Giese, P.C.
  • Domestic Violence, DUI & DWI, Family Law
  • Illinois
Claimed Lawyer ProfileSocial Media

Maria “Gabby” Antoniolli began her legal career as an Assistant State’s Attorney with the DuPage County State’s Attorney’s Office where she gained significant trial experience in a wide variety of cases. As a prosecutor, Gabby handled traffic and misdemeanor cases, including DUIs, domestic violence cases, and orders of protection. She was promoted to the Felony Juvenile Division where she managed hundreds of juvenile abuse and neglect cases from intake to disposition. During her time in this division, she worked closely with DCFS and became well-versed in the various aspects of cases involving abused, neglected, and dependent minors. Gabby also worked in the Felony Trial Division where she handled serious felony cases ranging from aggravated DUIs, burglaries, serious drug offenses, aggravated batteries, and gun charges.

Prior to joining McSwain Nagle & Giese, P.C., Gabby worked as an associate attorney at a family law firm in DuPage County where she practiced primarily in family law matters including the divorce, allocation of parental decision-making, and parenting time (formerly custody and visitation), child support, spousal support, relocation, orders of protection, and prenuptial/postnuptial agreements. Gabby also specializes in estate planning and criminal defense litigation. Gabby is a certified Guardian ad Litem in DuPage County and has served in this capacity in the juvenile court system, assisting the court in cases involving abused, neglected, and dependent minors.

Gabby’s extensive courtroom and trial experience has shaped her into an innovative and zealous advocate who is highly effective at developing case strategies in order to achieve the best possible outcome for her clients. From engaging in negotiations to litigating a case at trial, Gabby tackles each and every case with tenacity and an analytical mindset, while keeping the client fully informed every step of the way.

The John Marshall Law School
J.D. (2012) | Law
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University of Illinois - Urbana-Champaign
B.A. (2008) | Political Science
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Professional Experience
Associate Attorney
McSwain Nagle & iese, P.C.
- Current
Assistant State's Attorney
DuPage County
- Current
Associate Attorney
Mullen, Winthers & Cerny, P.C.
Law Clerk
Cook County State's Attorney's Office
Law Clerk
DuPage Coutny State's Attorney's Office
Legal Secretary
DuPage County State's Attorney's Office
Legal Secretary
DuPage County State's Attorney's Office
Certified Guardian Ad Litem
DuPage County Bar Association.
JD Certificate in Trial Advocacy
John Marshall Law School
JD Certificate in Alternative Dispute Resolution
John Marshall Law School
Professional Associations
DuPage County Bar Association
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Jurisdictions Admitted to Practice
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  • Free Consultation
    FREE CONSULTATIONSCall US630-407-1200
  • Credit Cards Accepted
Practice Areas
    Domestic Violence
    Domestic Violence Restraining Orders, Victims Rights
    DUI & DWI
    Family Law
    Adoption, Child Custody, Child Support, Father's Rights, Guardianship & Conservatorship, Paternity, Prenups & Marital Agreements, Restraining Orders, Same Sex Family Law
Additional Practice Area
  • Traffic Law
  • English: Spoken, Written
Websites & Blogs
McSwain Nagle & Giese P.C.
Contact & Map
McSwain Nagle * Giese P.C.
400 S. Knoll Street
Suite AB,
Wheaton, IL 60187
Telephone: (630) 407-1200
Monday: 9 AM - 5 PM
Tuesday: 9 AM - 5 PM
Wednesday: 9 AM - 5 PM
Thursday: 9 AM - 5 PM
Friday: 9 AM - 5 PM
Saturday: Closed
Sunday: Closed (Today)