Belleville: 618-234-9800 | Edwardsville: 618-656-2244 | ST. LOUIS: 314-421-2325
Montana Sinn MMR Attorney

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Legal Assistant: Courtney Hoffman



Saint Louis University – J.D. 2021

The University of Alabama – B.A. 2017

Legal Services

Bar Admissions

  • Illinois
  • Missouri

    Montana L. Sinn


    Montana Sinn is an associate attorney at Mathis, Marifian & Richter, Ltd. (MM&R), who focuses her practice in litigation. Prior to joining MM&R, she was a legal intern for the United States Attorney’s Office of the Southern District of Illinois, as well as a judicial extern at the United States District Court for the Southern District of Illinois. During law school, Montana worked as a Rule 13 certified student in SLU Law’s Entrepreneurship and Community Development Clinic.

    Montana obtained her J.D. from Saint Louis University School of Law in May of 2021. She obtained her B.A. at The University of Alabama.