About
Megan M. Olson is a partner at Tressler LLP, where she represents cities, villages, park districts, library districts, and other local government entities. Her practice includes general counsel services, governance matters, and a strong litigation focus involving civil, commercial, employment, and administrative disputes. Megan provides legal guidance on drafting ordinances and policies, negotiating contracts, enforcing building and zoning codes, managing eminent domain actions, and ensuring Freedom of Information Act compliance.
Megan earned her J.D. from Cooley Law School, where she was named to the Dean’s Honor List and received an Honors Scholarship. She obtained her B.S. in Political Science from Illinois State University, where she developed a strong foundation in public policy and government administration. This academic background informs her practical approach to complex municipal and regulatory challenges.
With years of litigation experience, Megan draws upon her background as a former Special Assistant Attorney General for the State of Illinois and Special Assistant State’s Attorney for Will County. In those roles, she managed eminent domain cases and secured critical land acquisitions for public use. She also has extensive experience as a local prosecutor and as counsel before the U.S. Bankruptcy Court for the Northern District of Illinois, providing her clients with versatile representation in and out of court.
Megan M. Olson is admitted to practice in Illinois and the U.S. District Court for the Northern District of Illinois. She is an active member of the Illinois State Bar Association, where she serves on the Standing Committee of Member Services, and the Will County Bar Association. Known for her responsiveness and precision, Megan is dedicated to helping local governments operate efficiently while minimizing legal risks.
Law Office Affiliations
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Partner, Tressler LLP
- Member, Illinois State Bar Association
- Member, Will County Bar Association
Licensed State
- Illinois
Education
- Cooley Law School
Juris Doctor (JD) - Illinois State University
Bachelor of Science (BS)
Awards & Badges


- Appeals
- Litigation
- Administrative
- Business Litigation
- Government Contracts
- Nonprofit Organizations
- Discrimination
- Employment Litigation
- Sexual Harassment
- Wrongful Termination
- Construction & Development
- Land Use & Zoning
- Landlord & Tenant




