Staff


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

  • Larry Mackowski
    General Manager
    262-821-5000 ext 333

    Leading the Porsche team, Larry Mackowski has 20+ years of  experience with the International Autos group and believes customer satisfaction is the number one goal. As General Manager, his job is building a lasting relationship with all of his customers guaranteeing that their needs are met.

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  • Joe Jerome Malinowski
    International Autos Group Sales Manager
    262.821.5000, Ext. 555

    Joe Malinowski was born in Milwaukee with oil in his blood, always had a love for cars.  Starting his career detailing cars for Lexus, then followed his love for Jaguar in the late 80's early 90's.  He moved to Palm Beach for college for Automotive Management.  He moved back to Milwaukee in 2008 returning to Lexus.  He then ventured to International Autos Group managing BMW and MINI.  He is now proud to represent the Passion of Porsche.  When he is free you will find him on the water in a vintage runabout or a 33' Cruiser.

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  • Jerry Zimmermann
    Certified Brand Ambassador
    262-821-5000 EXT. 557

    I have over 40 years with the Porsche brand and can offer you the expertise to give you a great experience.

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  • Anders Hjertstedt
    Sales Brand Manager

    Anders Hjertstedt has had both sales and management experience in the luxury and performance automotive industry since 2000. The passion for performance vehicles started early on, when he was able to drive hot laps at Indianapolis Racetrack. Since then his racetrack driving experience includes, Road America Elkhart Lake, Road Atlanta, Barber Motorsports Park Birmingham, Maspalomas Race Circuit Gran Canaria, Porsche Driving Experience Atlanta and more.  He enjoys assisting customers in a friendly and professional manor in the store and at various events.

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  • Luke Reilly
    Sales Consultant
    262.821.5000, Ext. 340


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  • Adam Ludwig
    Service Manager
    262.821.5000,Ext. 558

    Adam is the Service Manager for Porsche Waukesha.  Adam has been with Porsche Waukesha since 2017. He was previously with a Ford/Mitsubishi dealership for 16+ years. Adam strives to build trust and strong, long term relationships with Porsche customers. In his free time, Adam enjoys spending time with his kids.

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  • Zach Zarder
    Certified Brand Ambassador-Service
    262.821.5000, Ext. 364

    Zach has been with Porsche Waukesha since 2016. He started in the Parts Department and moved to Service in May 2017. He became Porsche Certified Brand Ambassador in 2017. Zach previously was a technician for 5 years at a Cadillac dealership. He has been a Porsche enthusiast since he was a kid.  Zach owns a 2011 Porsche Cayman S and tracks it any chance he can get. He has a vast knowledge of the Porsche brand and loves to talk Porsche with anyone that will listen.

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  • Tyler Rehn
    Parts Manager
    262.821.5000, Ext. 354

    Tyler has been with Porsche Waukesha since 2018, but has been with International Autos for 8 years with Infiniti, Mercedes Benz, Alfa Romero and Maserati. In his spare time he likes to fish and hunt. Also when he is not hunting or fishing he is spending time with his wife and two kids.

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  • Aaron Harmon
    Customer Experience Manager


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  • Jennifer Lewandowski
    Warranty Administrator


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