Staff


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

  • David Brueggeman
    Sales Manager
    (847) 283-6617

    Write your review here

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  • Enrique Rodriguez
    Used Car Sales Manager
    847-283-8292

    Valued Employee since 2004

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  • Allen Wagener
    Sales Associate
    (847) 833-9841

    Write your review here

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  • Will Hartman
    Sales Consultant
    847-283-8291

    Valued Employee since 2010

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  • William Dierks
    Sales Associate
    (847) 283-8204

    My name is William Dierks. I am originally from Havertown, Pennsylvania and currently live in Waukegan, IL. I attended William Jewell College in Liberty, Missouri and am a U.S. Army/Vietnam Veteran. I am married, have two children and three Grandchildren. My wife is Vet Tech at a local Animal Hospital, so yes, we have two dogs and several cats.


    I serve on the Vestry at Christ Episcopal Church in Waukegan. I volunteer as a server at the Community Meal several times a month and act as a Greeter and Usher at Sunday services. I was in the Golf Business for many years, having worked for Marriott, Indian Lakes, Midlane Country Club and Westmoreland Country Club before coming to work at Knauz.


    My current job title is Sales Consultant at our Hyundai & Genesis Store. I assist our customers in meeting their needs whether it be a new or pre-owned vehicle. One of my strong suits is getting to know my customers so that I can match their needs with a vehicle.


    I am Star Certified with both Hyundai and Genesis.


    To contact me please email me at wdierks@knauz.com or my direct line is 847-283-8204.

    Valued Employee since 2010

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  • Josh Nickerson
    Sales Consultant
    847-283-8298

    Valued Employee since 2014

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  • Matt Brueggeman
    Sales Associate
    (847) 283-6104

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  • Rob Caldwell
    Hyundai Product Specialist
    847-283-8210

    Valued Employee since 2017


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  • Luis Ariaz
    Product Specialist
    (847) 283-8202

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  • Cesar Saucedo
    Hyundai/MINI Service Manager
    847-283-8220

    Valued Employee since 2001

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