Sonja Mentzer
Sonja Mentzer The Democratic primary for this office on June 2, 2026, was canceled. Sonja Mentzer was born in Aberdeen, South Dakota. She earned a high school diploma from Chamberlain High School and a bachelor's degree from South Dakota State University in 2001. Her career experience includes working as a director of operations.
Campaign site
“South Dakota is where I was born, raised, educated, married, work, and raising my own children. South Dakota holds my memories and my aspirations. I grew up on the shores of the Missouri River in the small town of Chamberlain. Graduated South Dakota State University with a degree in Hospitality Management and Business. I spent six years as the general manager of a fast food restaurant after college and now am the Director of Operations for a non-emergency transportation company. I am the proud mother of an active duty U.S. Marine and a newly graduated High School senior.”
(Ballotpedia Candidate Connection Survey) “South Dakota has the highest percentage of medical debt in the country. South Dakota also has the second highest cost of healthcare in the country. Healthcare here is all too often inaccessable or unaffordable and only getting worse. Our rural populations are moving to larger cities to have access to healthcare, putting more strain on vast areas of low population. I will encourage and support legislation that helps individuals get access to healthcare providers. I will support and lead legislation to make healthcare more affordable.”
(Ballotpedia Candidate Connection Survey) “I am a lifetime resident of South Dakota, as well as having lived in western Sioux Falls for the last twenty years. I love South Dakota, South Dakota holds all of my favorite people and memories. I love people, and getting to meet new people. I love adventure, South Dakota holds many memories for me of living out those adventures and exploring this great state. I have core memories of exploring and playing at my grandparents farm, watching rodeos, learning to water ski on the Missouri, snow ski at Terry Peak, hike different trails and parks, visit new places, eat new foods, and enjoy all that life has to offer.”
(Ballotpedia Candidate Connection Survey)Brian Mulder
Brian Mulder Brian Mulder was born in Granite Falls, Minnesota. Mulder earned a bachelor's degree from Crown College in 2003. His career experience includes working as a managing director at Volunteers of America. Mulder was assigned to the following committees:
“I am all for smaller Government, taxes and efficiencies that save the tax payer. In my current role I understand the needs of our community and state, and can offer reasonable solutions through public/ private partnerships. As a conservative, I am pro-life, and pro-second amendment.”
(Ballotpedia Candidate Connection Survey) “My biggest passion would lie in the idea that government is not the answer to all our problems. Although we live in the nation's best state, I believe we can improve by creating better solutions and efficiencies for our citizens who need help with mental health, homelessness, childcare, veterans, and disabilities.”
(Ballotpedia Candidate Connection Survey) “I believe I am a proven leader who has a history of leading organizational change. This is done by building relationships, listening, casting vision, and empowering others.”
(Ballotpedia Candidate Connection Survey)Keri Weems
Keri Weems Weems was assigned to the following committees:
Campaign site
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(Candidate Campaign Website)Tracey Quint
Tracey Quint is a Libertarian Party candidate for South Dakota House of Representatives District 11 in southwest Sioux Falls on the November 3, 2026 general election ballot. She previously served as chair of the Libertarian Party of South Dakota and was the Libertarian nominee for Governor of South Dakota in 2022.
· South Dakota Public Broadcasting (Meet the Candidates)