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Teresa M. Dettloff

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Phone: (630) 407-1200
Fax: (630) 313-2685

400 S. Knoll St., Suite B
Wheaton, Illinois 60187

Teresa M. Dettloff is a licensed attorney in Illinois and is both passionate about helping families and dedicated to children’s legal issues. She advocates vigorously for her clients and is committed to serving others.

Teresa graduated with honors from Loyola University Chicago School of Law, where she was a Lead Article Editor of the Loyola University Chicago Law Journal and received CALI Excellence for the Future Awards in Advocacy, Trial Practice, and Federal Income Tax. Teresa also competed on the Vis Moot International Arbitration Team in Shanghai, China, where her team won first place and Teresa received an individual award for excellence in oral advocacy. She also worked with Loyola on research concerning young adults and the justice system, including contributing to proposals for reform for young adults engaged in the justice system.

While in law school, Teresa was an active member of the National Security Law Association and Loyola’s moot court program. As a competitor, her team placed third in a national competition. Teresa also volunteered at the Veterans’ Legal Support Center and Clinic and the Chicago Wage Theft Clinic, where she advocated on behalf of local workers and disabled veterans. Teresa clerked for the Cook County State’s Attorney’s Office in the Gang Crimes division, where she assisted with jury and bench trials, and litigated felony cases.

In addition to trial-level work, Teresa has experience with appellate-level work, including a clerkship in the Criminal Appeals division of the Cook County State’s Attorney’s Office and a brief-writer position at The Law Offices of Barry A. Schultz, P.C.

Teresa also worked for the United Nations, Office of the Prosecutor at the International Criminal Tribunal for the Former Yugoslavia where she assisted in prosecuting war crimes and crimes against humanity that occurred when the Former Yugoslavia disintegrated. She received the prestigious Wing Tat Lee International Stipend to fund her work and published an article in the American Bar Association’s Student Lawyer publication. As a first-year law student, Teresa worked as a law clerk on a United States Naval base with the Navy JAG Corps., assisting service members who had been charged with crimes and was honored by Loyola’s Public Interest Law Society with a fellowship for her commitment to public service.

Teresa received a Bachelor of Arts degree from Michigan State University in International Relations, where she graduated with honors for academic excellence and a commitment to non-profit work. As an undergraduate, Teresa was actively involved in Model United Nations and was a member of a public policy organization that worked to enact change in local communities. Teresa also spent a summer working with the Chicago Transit Authority on environmental initiatives.

Teresa is a member of the DuPage Bar Association, the Illinois State Bar Association, and the American Bar Association. She is committed to assisting those in her community and is passionate about serving others. Teresa has also played the violin for 19 years.


Juris Doctor, Loyola University Chicago School of Law

  • Magna Cum Laude
  • Vice President, National Security Law Association
  • Study Abroad: London Comparative Advocacy Program

Bachelor of Arts, International Relations, Michigan State University

  • Dean’s List
  • Member, International Relations Organization
  • Member, Michigan State University Model United Nations
Jurisdictions Admitted to Practice

State of Illinois, 2017

Bar Association Memberships

DuPage Bar Association

Illinois State Bar Association

American Bar Association

Employment History

Kollias & Giese, P.C., 2017 – present

The Law Offices of Barry A. Schultz, P.C., 2017

Cook County State’s Attorney’s Office, Rule 711 clerk, Gang Crimes, 2016 -17

International Criminal Tribunal for the Former Yugoslavia, Legal Intern, 2016

Cook County State’s Attorney’s Office, Criminal Appeals, 2015-16

United States Navy, JAG Corps. Legal Intern, 2015