Meet Our Team

Russell Barnett Is full of great people!
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Bob Trewyn

Bob is a native of Beloit, Wisconsin.  Bob has been in the automotive business for 40+ years.  He began his career with Ford automotive dealerships and soon became a Ford truck manager.

Bob moved to Tennessee in 1997 and continued his automotive career.  Over the years, Bob has been successful in various sales areas, including being a sales representative for Explorer Van Company.  He joined the Russell Barnett team in 2010, where he created their Ford commercial truck department and obtained their BPN status.  He left Russell Barnett for a short while to explore other opportunities in the Ford commercial truck area.  He returned to Russell Barnett in 2016 as their Ford commercial truck manager at their Tullahoma location.

In all facets of his sales experience, Bob continues to further his product knowledge.  Over the years, he has served as a representative for Ford Motors at various truck shows, including the Mid-America Truck Show and Work Truck Show, as well as being an active participant in various Ford workshops and seminars.  He is not afraid to bring up issues or ask questions.  Bob is noted for taking care of his customers’ needs and assisting them in building the perfect truck for their needs.  Customers also appreciate his accessibility.  They know they will always receive knowledgeable answers to their questions, and he is prompt in resolving any issues they may encounter.

During the past few years, people have become accustomed to having services brought to them.  Bob envisioned the need to bring eateries to their customers, and he began his quest to develop relationships between food truck builders, Morgan Olson, and Ford.  The COVID Pandemic made it even more important to bring the food service to the people.  For the past 6 years, Bob’s service has grown from two builders to serving numerous builders and customers from all over the country.

In his spare time, Bob and his wife, Debbie, enjoy traveling with their golden retriever, Tucker.

Contact Bob at 615-456-4040
or email

Greg Knox

Greg Knox joined Russell Barnett FORD of Tullahoma the summer of 2020. Greg has known and work with Bob Trewyn (Sales Manager) on several projects since 1998.

Greg has been in the Automotive Industry since Lexus started in 1989. He has sold over 15,000 Lexus all over the world, including Dubai, Russia, Ukraine, China, Hong Kong, and Africa.

Since joining the Barnett Automotive Family, he has concentrated on expanding their Foodtruck Sales all over the entire United States.

Whether you are a large Franchise like Chick-fil-A, Cousins Lobster, or Dunkin Donuts, he will work with you. Whether you have one truck or multiple trucks, he will always be there to help.

Contact Greg at 615-300-8286
or email

Melissa Brimhall

Joining the Russell Barnett Ford of Tullahoma store in the summer of 2020, Melissa joined us as a phone receptionist in the BDC office. Melissa became the manager of the BDC office and has earned the opportunity to grow and expand with the Russell Barnett Automotive Family.

Melissa is new to the Food Truck business side of Russell Barnett while learning the backside of the food truck sales and working alongside Bob Trewyn and Greg Knox. Melissa will be very prompt and knowledgeable in her new role with the company.

In her spare time, Melissa loves spending time with her family and friends, as well as her grandchildren.

Contact Melissa at 931-455-4564 ext 1405
or email
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