Click on one of the people below to find out more information.

Steve Tuschen
General Manager

Steve joined the Mills team in 2019 bringing over 16 years of automotive experience, having most recently served as Fixed Operations Director for the Rydell Group in Mason City, Iowa.  Prior to that, Steve also worked with the Billion Auto Group.  He admits in all reality he's been working on or around vehicles "all my life", other than working for Citibank for 11 years.  Steve lives in Spicer along with wife Kimm and their children Jack and Cora.  "My wife is from the area, so I had been in the Willmar area for the last 20 years visiting the different lakes and looking forward to being in the area full-time", he said, happy to now be settled in.  Steve grew up in Salem, South Dakota, a small town outside of Sioux Falls, and went on to graduate from the University of South Dakota with a BS in Business Management.  He is active with the Knights of Columbus, and when not at work he enjoys travelling, riding motorcycle and being with his family.

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Stefan Oehlberg
New Vehicle Sales Manager

Stefan joined the Mills team in 2020, bringing 6 years of prior automotive sales and management experience earned working in New York and Florida dealerships.  He grew up in Rockland County, New York and attended SUNY Rockland before taking a Sales Manager position at a dealership in Orangeburg, NY.  A move to Florida for 17 years led Stefan to working a slightly different vocation for a period of time, purchasing Structured Settlements and Annuities, before eventually coming back to work in the automotive field as a Brand Specialist for a dealership in Stuart, Florida.  Now living in Benson, Stefan continues to apply his skills and friendly personality assisting people with their automotive needs.  Stefan and wife Colleen have three children: Connor, Cole and Cora; 2 German Shepherds: Gunnar and Bella, a cat named Tiger and a boa constrictor named Fluffy.  When he's not working Stefan enjoys practicing Goju Ryu Karate, spending time with his family, and his family also enjoys volunteering at Feed My Hungry Children, a non-profit organization working toward a goal of ending childhood hunger worldwide.

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Robert Ruter
Sales and Leasing Consultant

Robert has been in the automotive business since 1994. He has worked for Mills since the company originally acquired the dealership in Willmar. He has been married since 1993 and has two boys. Robert enjoys many outdoor activities, primarily snowmobiling and fishing.

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Rick Hess
Sales and Leasing Consultant

A veteran of 20-plus years in the car business, Rick returns to Mills after working more than two years as used car manager at the former Swenson Motor Co., Willmar. And, he's never really left home, having been born/raised in Willmar, and graduating from Willmar High School. Rick is also a graduate of Hamline University with a degree in economics. His automotive career started at Manley Auto Center, Willmar, which later became Mills Auto Center. Rick and his wife, Linda, have one son and six grandchildren. He plays golf and enjoys watching his son drive in drag races.

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Nathan Peters
Sales and Leasing Consultant


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Dan Swart
Service Advisor

Dan joined Mills Auto Center in October of 1988. Dan and his wife Linda have 4 children; Connor, Ava, Audrey and Charles. In his free time he enjoys golfing and spending time with his family and friends.

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Scott Olson
Service Advisor


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