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

  • Thomas Harper
    Dealer Principal

    Founder of Harper Porsche

  • Shannon Harper
    Vice President

    Shannon started at the dealerships washing cars and has worked in every possible position in the dealerships. He has the same commitment to creating long term enthusiastic customers as his father, Tom. Shannon is very active in the community as a member of Nucleus Knoxville, involved with East TN Boys and Girls Club and United Way, and on the board of Junior Achievement of East Tennessee and the Dogwood Arts Festival. Harper is a proud sponsor of Ruthie's Fund, Knoxville Opera, and the Great Smoky Mountains Tremont Foundation. He has also received an Automotive News 40 under 40 award and is an Introduction Knoxville alumnus.

  • Ray Gardner
    General Manager

    Ray has been with the Harper family of dealerships since 1991. In his free time he enjoys cycling, hiking, trail running, camping, and motorcycling with his wife and two sons.

  • Andy Dean
    Sales Manager/ Brand Ambassador

    Andy Dean was born into the car business as his grandfather was a dealer principal for many years. The torch was passed down, and Andy has been with the Harper family since 2009. His experience and unflappable nature have been invaluable to the Harper family of dealerships. Andy enjoys spending time with his wife and newborn son in his time away from work.

  • Ryan Hummel
    Pre-Owned Manager

    Raised in Knoxville, Ryan studied Business and Finance at the University of Miami.   After graduation, he worked for Land Rover in South Florida for 8 years and eventually realized that he wanted to call Knoxville home again. He is happily married to his elementary school sweetheart and has been a huge asset to the Harper family.

  • Jennifer Collins
    Finance Manager

    Jennifer has been in the automotive industry for over 10 years and is a huge asset to the Harper family.  In her spare time she can be found camping, 4-wheeling, or at the lake with family and friends.

  • Mark Nagle
    Service Manager

    Mark has been with the Harper family of dealerships since 1997.  In his spare time he enjoys camping with his family and is an avid sports fan.

  • Joey Collins
    Sales Consultant/ Brand Ambassador

    Joey has been with the Harper family since 1982. He has a laundry list of hobbies including: cycling, all motor sports, and a slalom and trick water skier. He is an avid Moto GP fan and an ADV rider. Joey is a Sales Excellence Award winner for 2014, making him one of the top 100 sales specialists in the world!

  • Derek Bonzagni
    Sales Specialist

    Derek has worked for the Harper family of dealerships since 2014.  He moved here from Denver, CO with his wife and daughter and has worked with many highline brands;  Ferrari, Maserati, BMW, Audi, etc.  He now calls Knoxville home and takes full advantage of the outdoor activities this area has to offer.

  • Trey Clayman
    Brand Specialist
    (865) 934-2828

    Trey brings an energetic attitude to the Harper Dealerships, and we are excited he is here!  In his spare time, he enjoys playing golf, camping, and spending time with his wife and 3 daughters.

  • Jack Slagle
    Sales Specialist
    (865) 934-2828

    Jack brings an amazing attitude to the Harper Porsche family and is always willing to jump in and lend a hand.  When he is not at work, he can be found playing with his 2 dogs or rolling coal in his Jetta TDI on the East Tennessee backroads.

  • Thaddeus Rudd
    Inventory Manager
    (865) 934-2828

    With an attention to detail and a strong work ethic, Thaddeus keeps the Dealership's New and Certified Pre-Owned Porsche inventory looking pristine.

  • Nick Dockery
    Service Advisor

    Nick comes from a Service background and knows cars inside and out.  His passion for the Porsche brand is strong and his passion for our customers is even stronger. In his spare time, he enjoys playing the guitar and writing songs with his wife and daughter.

  • Ray Goepfrich
    Service Advisor

    Ray has been with the Porsche store since 2021

  • Chandler Campbell
    Service Advisor
    (865) 934-2828

    Raised on such road courses as AMP and Road Atlanta, Chandler has the background and knowledge to keep your Porsche in tip-top shape.  In his spare time, he enjoys running in marathons.

  • Stephen Ashworth
    Service Advisor
    (865) 934-2828

    Stephen has been with Harper since May 2016

  • Alison Chittum
    Business Manager

    Alison has been with the Harper family of dealerships since 2000 and has proven herself invaluable. In her spare time she enjoys traveling to ball games with her husband and two children, and camping when weather permits.

  • Gary Volpe
    Shop Foreman

    Since 1995, Gary has been the go-to guy for anything that needs to be repaired at Harper Porsche. His work ethic and character have gained him much admiration among his peers. In his spare time he enjoys playing the guitar and spending time with his family.

  • Todd Gibson
    Porsche Technician- Silver

    Todd has spent several years with Harper Porsche as a technician.  In his spare time he enjoys racing NASA Rally Sport in his MAZDASPEED 6 and spending time with his son.

  • Nick Milligan
    Parts Manager

    Nick has been with Harper Porsche since 1997. He is very passionate about the Porsche brand, and it shows in his enthusiasm. He loves spending time with his family outside of work.

  • John Duckett
    Parts Sales

    John is right at home with the Harper dealership family and his personality and work ethic are huge assets to Harper Porsche. In his spare time he enjoys drawing (he is a phenomenal artist) and spending time with his family.

  • Tim Pruett
    Wholesale Parts Director

    Tim started out at Harper Porsche in 1981 and spent a small stint working with other luxury brands. In his spare time he enjoys motorsports, telling jokes, and riding his custom Harley through the East Tennessee mountains.

  • Logan Field
    Parts Sales

    When Logan isn't helping customers at the Parts counter, he can be found drifting sideways in his Firebird Trans-Am in Formula Drift events throughout the Southeast.

  • Kinsley Vincent
    Customer Reception

    Kinsley joined the Harper Porsche Team with an amazing attitude, and with a Degree in Communications she is a huge asset to the organization. In her spare time Kinsley enjoys playing golf, a continuation of her career as a collegiate athlete.