Marli Wiese has a robust background in public service and agriculture. She attended Madison High School and Nettleton Commercial College before her political career. Wiese served as the vice chair of the Lake County Republican Party and was appointed by Governor Dennis Daugaard to the South Dakota House of Representatives, where she represented District 8. Throughout her tenure, she contributed to the education and taxation committees, showcasing her commitment to policy development in these areas. Currently, Wiese balances her legislative responsibilities with her role as a farmer, potentially informing her policy positions on agricultural matters.

Marli Wiese blends traditional Republican values with a distinctive focus on local agricultural interests, often surprising observers with her stances. Wiese's legislative record reveals a calculated approach to environmental regulations, aligning with opposing factions to safeguard regional industrial interests. Her rhetorical style emphasizes community-centric solutions, frequently highlighting personal experiences as a farmer to frame broader policy discussions. Wiese's ideological positioning suggests a pragmatic yet highly localized approach, balancing party lines with a focus on constituent needs.