Atty. Breen M. Schiller
Breen M. Schiller is a nationally recognized state and local tax (SALT) attorney with deep experience in SALT planning, audit defense, and complex litigation across multiple tax types, including income, franchise, gross receipts-based taxes, and sales/use taxes, on a multistate basis.
State & Local Tax (SALT) & More Attorney · Serving Chicago, IL · 19+ Years Experience
Profile Summary
About Breen M. Schiller at a Glance
Breen M. Schiller is a Shareholder based in Chicago, Illinois, practicing at Greenberg Traurig, LLP. They have 19+ years of legal experience, licensed to practice since 2007. Their practice focuses on irs, tax, and entertainment. Admitted to practice in Illinois (2007) and Indiana (2009). Educated at DePaul University College of Law (J.D., 2007) and Illinois Wesleyan University (B.A., 2003). Serves clients in Chicago, IL and the surrounding metropolitan area.
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About Breen M. Schiller
- Breen M. Schiller is a nationally recognized state and local tax (SALT) attorney with deep experience in SALT planning, audit defense, and complex litigation across multiple tax types, including income, franchise, gross receipts-based taxes, and sales/use taxes, on a multistate basis
- She advises a wide range of clients, from privately held mid-size businesses to multinational Fortune 100 corporations, on strategic and practical tax planning and dispute resolution
- Breen’s practice spans a broad spectrum of SALT issues, including nexus determinations, business/nonbusiness income classifications, apportionment and alternative apportionment methodologies, unitary business principles, combined reporting, federal change reporting, and credits and deductions
- She also handles a variety of sales and use tax matters, such as exemption qualifications, inclusions and exclusions from the tax base, and issues related to digital products and cloud computing
- She has represented taxpayers at all levels of state and local tax controversy - from administrative proceedings to appellate court arguments - and has wide-ranging experience with audit defense, negotiated settlements, refund claims, and compliance matters
- Leveraging her credibility with state departments of revenue, Breen has helped clients secure refunds and obtain key rulings, as well as secure proactive resolutions to matters
- Practicing nationwide, Breen regularly advises companies in the transportation, hospitality, manufacturing, retail, and oil and gas sectors
- She has managed high-volume, multijurisdictional tax litigation while simultaneously developing proactive strategies to address multistate compliance for both income and sales/use taxes
- Her approach is holistic and client-focused, shaped by her 15 years in private practice and leadership roles at top law firms
- Prior to joining the firm, Breen was a Principal in EY’s National Tax Group
- Breen is a national thought leader on state tax issues and is deeply engaged in the SALT community
- She co-founded Women in SALT, a group dedicated to connecting female SALT practitioners and fostering a collegial, collaborative network
- She also serves on several advisory boards, including the Bloomberg State Tax Advisory Board, the Journal of State Taxation Editorial Board, the Paul J. Hartman Advisory Board, and the board of trustees for the Taxpayers’ Federation of Illinois
- A frequent lecturer and contributor to major SALT organizations and publications, Breen is known for her insightful analysis of evolving tax policies and their implications for businesses operating across multiple jurisdictions
Practice Areas Explained
Breen M. Schiller's Areas of Legal Practice
Each practice area below reflects the types of cases Breen M. Schiller handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
IRS Disputes & Audits in Chicago
Breen M. Schiller is one of 2,897 irs attorneys indexed nationally. Browse irs attorneys in Illinois →
Tax Law in Chicago
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
Breen M. Schiller is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Illinois →
Entertainment & Sports Law in Chicago
Entertainment lawyers for music, film, sports contracts, talent representation, and IP licensing.
Breen M. Schiller is one of 45,619 entertainment attorneys indexed nationally. Browse entertainment attorneys in Illinois →
Jurisdictional Context
Why Local Counsel Matters in Chicago
Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.
Chicago Courts and Legal Process
Choosing a Chicago-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.
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Professional Profile
Why Clients in Chicago Choose Breen M. Schiller
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Breen M. Schiller's practice in the field of irs, tax, and entertainment.
Decade-Tested Legal Experience
Breen M. Schiller brings 19+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Illinois and Indiana, Breen M. Schiller can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering irs, tax, and entertainment, Breen M. Schiller can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Chicago
A Chicago-based practice means Breen M. Schiller attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Breen M. Schiller Handles in Chicago
Below is a representative sample of the types of matters Breen M. Schiller has experience with under Illinois law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Breen M. Schiller directly to discuss the specifics of your situation.
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How People Find Breen M. Schiller Online
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Breen M. Schiller's Practice Areas & Specializations
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