Our Team

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

Brian Kopek
General Manager

Born in the Motor City, Detroit, Brian grew up in and has lived the car business. His dad was a claims manager for AAA, and, as Brian says, "he knew every car on the road." Brian's first job at 19 was with Holley Automotive, where he was an engineering technician. He is a graduate of Western Michigan University with a degree in auto engineering technology. Before joining Mills in November 2009, his career included eight years with Ford Motor Company in Michigan as a field representative for parts and service; service and sales at the Ford regional office in Minneapolis for seven years; sales for five years at Rochester Ford-Toyota, and five years of sales for Saturn in St. Paul. He and his wife, Hollie, enjoy biking and all outdoor activities with their children, Nikolas and Lily.

Ray Giles
Sales Manager

In 2018 Ray is going into his 30th year in the Brainerd car business. He joined Mills GM in the summer of 1997 and started as the business manager. A lifelong Brainerd area resident, Ray and his wife, Missy, have a daughter, Quinn. Ray also has an adult son, Josh, who lives in California. In his free time, Ray enjoys biking, boating, working on old houses and running his property investment company.

Danny Sargent
New Vehicle Sales Manager

Danny joined Mills in October 2014. He was previously with Zorbaz on Gull Lake, where he was a manager of employees and daily operations. Originally from Minneapolis, Danny and his wife, Maggie, have two sons, Peyton and Paxton. The family lives in Pequot Lakes. Danny is a graduate of Pequot Lakes High School and studied software development at Western Governors University. Outside of work he enjoys sports and taking apart and learning about anything with a computer.

Christine Spanier
Finance Manager

Christine was on the sales team at Mills Ford Chrysler, Willmar, in 2014-2016, and then joined Mills GM in April 2018. She is originally from Paynesville, a graduate of Paynesville High School, and St. Cloud Technical College with a degree in paralegal and business management.  Kristine lives in St. Joseph. Outside of work she enjoys time with an older sister and niece, her puppy, Skylar, along with bartending, camping, lake outings, motorcycling and working around her home.

Chris Sliver
Service Manager

Having held positions in automotive service, parts, tires and management since 1992, Chris joined Mills GM in February 2016. Originally from Bloomington, Chris attended Kennedy Senior High School, and studied in the electrical, welding and metal fabrication programs at technical schools. A resident of Baxter since 1993 where he is a past president of the Baxter Elementary PTA, Chris also previously lived in Denver and Anchorage. He and his wife, Jackie, have been married since 1979. They have three adult children, Amber, Ashley and Alex, along with nine grandchildren. Chris enjoys family time, reading, writing, cooking, billiards, camping, lawn care and woodworking. He is an inventor and a co-patent holder of a fast drywall cutting tool.

Troy Miller
Sales and Leasing Consultant

Troy has worked in automotive sales / finance since in 2002, and joined Mills in 2014. Originally from Brainerd, Troy is a graduate of Brainerd High School, and the University of Minnesota, Duluth, with a degree in business. He worked two years in automotive finance in Minneapolis, followed by 10 years in automotive loans/sales in San Diego. Although he enjoyed sunny California, Troy wanted to return to Minnesota to re-connect with family, friends and walleye fishing.

Joshua Erdmann
Sales and Leasing Consultant

Joshua joined Mills in 2015. Originally from Minneapolis, Joshua was previously creative director with Generation Outdoors and Earthman Media. He did television and film production of commercials and marketing campaigns for national brands and outdoor sports. Joshua is a graduate of Brainerd High School and was a student in the film/motion graphics program at Minneapolis College of Art and Design. He was also a sales representative at Gander Mountain, Baxter. Outside of work, Joshua enjoys duck, goose, grouse and deer hunting, fishing, bow hunting, building custom AR15 rifles and 1911 pistols, hiking and backpacking.

Nathan Stange
Sales and Leasing Consultant

Nate joined Mills in 2016. He was previously an EMT for Meds One Ambulance, an installer at Landsburg Landscape Nursery and an LPN at Cuyuna Regional Medical Center. He is a graduate of Brainerd High School. Nate has a degree in landscape design and a nursing certification from Central Lakes College, and paramedic certification from Emergency Training Associates, Bemidji.  Nate and his wife, Lacey, have four children, and they live in Pequot Lakes. After work he enjoys hunting, fishing and time with this family.

Brandon Gruber
Sales and Leasing Consultant

Brandon joined Mills in 2017 after working nine years as district manager of five Wendy's Restaurants. Originally from Baxter, Brandon is a graduate of Brainerd High School, Central Lakes College and the College of St. Scholastica. He and his wife, Jackie, have a son, Caiden. Brandon enjoys fishing, bon fires and family time, plus all Minnesota sports.

Bryan Martinsen
Sales and Leasing Consultant

A graduate of Brainerd High School and Central Lakes College with a degree in criminal justice, Bryan joined Mills GM in June 2018. He was previously assistant manager at Super One Liquor and an inbound phone sales representative at Northern Tool and Equipment. Bryan served seven years in the U.S. Army Reserve, which included a tour to Iraq and Afghanistan in 2010. Bryan lives in Baxter with his partner, Aimee, who has two children. He has a daughter. Bryan enjoys time with his family, following the Vikings, Timberwolves and Wild, plus attending his children's summer soccer tournaments, beauty pageants and gymnastics events. Cooking, including summer grilling, and music are his other interests.

Mike Voeltz
Service Advisor

After working more than seven years at Best Buy, Michael joined the service team at Mills GM in 2012. He lives in Baxter. Originally from Staples, Michael is a graduate of Bertha-Hewitt High School and the College of St. Scholastica with a degree in business management. He plays baseball with the Staples Lumberbats and summer softball with the Brainerd area recreation league. Working with cars has always been his hobby, and he enjoys football, basketball, golf, fishing, tubing and skiing.

Rob Prekker
Service Advisor

Rob joined Mills in 2016 after doing vehicle maintenance for three years in the western North Dakota oil fields. He also previously worked in a commercial tire/farm equipment business and was self-employed. Rob lives in Brainerd, and previously resided in Jacksonville, Fla., Sauk Rapids and Crosby, along with Williston and Bismarck, ND. He enjoys time with his children, friends, work outs and cooking.