Meet the Staff of Platinum Auto Group

Steve Heckman - General Manager /Sales

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Steve Heckman, a local graduate of Minster High School, is thrilled to be working so close to home. In high school, he spent countless hours cleaning cars at his father's car lot, where he was encouraged to get into the car business. He graduated with a Bachelors Degree in Business Administration with a concentration in Accounting from DeVry University. He married his high school sweetheart and has three children. During his free time, he loves watching football and spending time with his family. Feel free to give him a call anytime for a great deal on a car!

Adam Kremer - Sales & Business Manager

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Adam Kremer is a local graduate from Maria Stein high school. He graduated with a Bachelor's Degree in Business Management from Wright State University. He has always had a great passion for automobiles. Adam works in sales and will be glad to help you find your perfect vehicle! He is available to talk to you today about a great deal on a car!

Tyler Ranly - Inventory Manager

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A local graduate of New Bremen High School, has been with Platinum Auto Group Inc. Since his sophomore year in High School. He has been buying cars for the past 4 years, and also has 2 years of sales experience. He has an Associates Degree in Business and graduated from Wright State Lake Campus. In his spare time, he enjoys spending time with his wife Renee, fishing, playing softball, bowling, and golfing. Feel free to give him a call anytime for a great deal on a car! Keep in mind that if we don't have exactly what you want, he can find the right car for you at the auction!

Krystal Francis - Comptroller

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A local graduate of Minster High School, is excited to being working with her two brothers. She started working for Platinum Auto Group Inc. After she graduated with a Bachelor’s Degree in Accounting and Financing from Wright State University. In her free time, she loves playing volleyball and running.

David Hierholzer - Service Manager

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Third generation in the automotive business, David grew up in a car dealership and garage his grandfather started in St. Marys in 1926. He is a graduate of Memorial High School in St. Marys and Chrysler Academy in Detroit as well as General Motors Training Center, David attended Wright State University, where he majored in Drafting and Computer Science, He married his high school sweetheart and now resides outside of St. Marys. During his free time, he loves Camping, Hiking and Photography with his family. Give David a call anytime for any of your automotive needs!

John Bruns - Sales Associate

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John is known for being dedicated to his work and his outstanding customer service along with caring demeanor, his 27 years of knowledge of the automobile business is certainly beneficial to the satisfaction of all his customers. John and his family have resided in St. Marys for 30 years. John would like to invite all his previous customers, family, friends, neighbors and acquaintances to stop by and let him help them with their auto needs.

Mike Zimmerman - Sales Associate

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Mike is a second generation in the automotive business. Mike's father started a retail lot in Lima, Ohio in 1967, where he began to work full time selling cars in 1976. He graduated from Memorial High School in St. Marys, Ohio. Also, attended Wright State University. He loves spending time with his grand kids. Mike and his wife Mary reside in St. Marys, Ohio. "Your friend in the car business!"

Shawn Birt - Shop Foreman/Technician

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Shawn Birt is a graduate of Coldwater High School and resides in the town of Chickasaw. He attended Chrysler academy where be became a master technician and is ASE master certified. He has 17 years of experience at a Chrysler dealership. Shawn has been an employee of Platinum Auto Group since 2014. He is also a volunteer fire fighter for Chickasaw. Shawn has been married for 22 years and has 2 children. Hobbies that Shawn enjoys are camping and fishing.

Nate Liette - Technician

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Nate Liette is a graduate at Marion Local High School and resides in Chickasaw. He earned his Associates degree in auto technology at Sinclair College. Nate started working on automobiles when he was 15 years old. He has 5 years of experience working at a Chevrolet dealership until he began his career at Platinum Auto Group in 2012. Nate is a volunteer fire fighter for the Chickasaw Fire Dept. Nate enjoys spending time on working automobiles outside of work and spending time with his Wife Jill.

Joe Meyer - Technician

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Joe Meyer is a graduate of Ft. Loramie High School and resides in the town Ft. Loramie. He his a graduate of University of Northwestern Ohio where he received an Associate of Automotive High Performance. Joe has 4 years of experience in the automotive industry and has been with Platinum Auto Group since 2014. Outside of work, Joe enjoys purchasing and working on cars.