Staff

Management

  • Matt Weinberg

    Matt Weinberg

    President

    (920) 602-2210
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    Matt Weinberg

    Matt Weinberg

    President

    Matt was born and raised in Wisconsin. He graduated from UW Stout where he met his wife.

    After college they spent 9 years in California before moving back to Wisconsin to be close to family.

    Matt enjoys all things outdoors: golfing, boating, sports, hiking.

    Reach out to Matt for anything you might need!

  • Ryan Knueppel

    Ryan Knueppel

    General Manager

    (920) 517-8628
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    Ryan Knueppel

    Ryan Knueppel

    General Manager

    Ryan has been in the automotive industry for over 14 years, and has developed a true passion for customer service. He was born and raised in the Fond du Lac area but also lived in Naples Florida from 2000 until 2010. While in Florida he mastered the art of true customer service while working for the Ritz Carlton Hotel Group. He is now married and has two beautiful daughters that he spends as much time with as possible. In his free time he loves to golf and fish every chance he gets.

  • Mike Berg

    Mike Berg

    CEO

    (920) 238-3966
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    Mike Berg

    Mike Berg

    CEO

    Mike is CEO and owner of Summit Automotive Chrysler Dodge Jeep RAM. He started in the car business when his Grandfather, Bill Gores (Founder of Holiday) asked him to wash cars in 1974. He’s STILL here!

    Mike and his wife, Nancy have 3 children. He enjoys hunting, boating, paddle boarding and spending time with his family! He’s a life long Packer fan who loves going to games!

    Call Mike with any questions or anything he can help you with!

  • Joel Zerbel

    Joel Zerbel

    Chief Operating Officer

    (920) 238-3966
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    Joel Zerbel

    Joel Zerbel

    Chief Operating Officer

    Joel is Chief Operating Officer at Summit Automotive Chrysler Dodge Jeep RAMe. Joel has over 30 years of automobile experience. Joel and his wife Deb have 4 children, Sam, Sarah, Grace and Isaiah and a Golden Retriever Jasper. Deb is a Special Education teacher locally. In his spare time, he enjoys hunting, skiing and spending time in northern Wisconsin with his family.

    Joel believes it is important to give back to the communities that they serve. He is involved with several local organizations and charities that provide assistance and programs to local children and families in need.

    A strong belief if his is that you should give back to the communities they serve. Customer service and employee satisfaction are top priorities at Summit Automotive Chrysler Dodge Jeep RAM.

    If there’s anything he can do for you, give him a call at (920) 238-3966

  • Mark Phillips

    Mark Phillips

    Used Car Director

    (920) 251-1152
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    Mark Phillips

    Mark Phillips

    Used Car Director

    Mark has been in the Automotive Industry since 2000. He has an extensive background in trucks. Mark grew up in Oakfield and has lived in FL since 2006. When he’s not at work, he enjoys home improvement projects and of course, golfing!

  • Nancy McCullough Berg

    Nancy McCullough Berg

    VP/Board Member

    (920) 238-3966
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    Nancy McCullough Berg

    Nancy McCullough Berg

    VP/Board Member

    Nancy has been working at Summit Automotive Chrysler Dodge Jeep RAM with her husband, Mike, for over 14 years. She and Mike have been married for 32 years and have 3 children! Nancy enjoys the challenges that the ever changing internet brings and loves meeting the people that contact us from all over the country. “I love that I have made friends from all over. Once people experience our hands on way of doing business, they come back. I have sold many out of town/state people as repeat customers. I think that says a lot for the trust they have in us.”

    In her spare time, she loves water-skiing, paddle boarding, boating, hiking, biking, traveling and working out but mostly spending time with her family.

  • Ryan Mikle

    Ryan Mikle

    Used Car Manager

    (920) 948-7539
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    Ryan Mikle

    Ryan Mikle

    Used Car Manager

    Ryan has been in the automotive industry for 9 years. He was born and raised in the Fond du Lac area. Ryan has a background specializing in all types of used vehicles, with a true passion for trucks, imports, and specialty vehicles. He strives in taking great care of our customers and to provide the best car buying experience possible. In his free time he enjoys being on the water, hunting, golfing, and trying new things that challenge him!

  • Andrew Stern

    Andrew Stern

    General Sales Manager

    (920) 238-3966
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    Andrew Stern

    Andrew Stern

    General Sales Manager

    Andrew has been in the automotive industry for 15 years. He takes pride in giving each guest a great experience and to make finding your next vehicle enjoyable. He received his bachelor’s degree from UW-Oshkosh and is a Titan football alumni. Hail Titans! He enjoys soaking up the sun on the golf course, Wisconsin sports teams, and spending time with family.

  • Tim Brenner

    Tim Brenner

    Finance Director

    (920) 238-3966
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    Tim Brenner

    Tim Brenner

    Finance Director

    Tim BrennerTim is the Finance Director here at Summit Automotive Chrysler Dodge Jeep RAM. He has 30 years of experience in Automotive Dealerships with 27 of those years as Business Manager. He grew up in St. Peter and now resides in the Fond du Lac area. When he is not at work, he enjoys spending time with his son Riley.

  • Katie Luttenberger

    Katie Luttenberger

    Director of Marketing

    (920) 238-3966
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    Katie Luttenberger

    Katie Luttenberger

    Director of Marketing

    Katie was born and raised in Fond du Lac, WI. She loves spending time with her dog, friends, and family. When she’s not at work she’s either attending concerts, thinking of the next place she wants to travel to, or snuggling up with her pup at home.

    Katie loves being creative and producing content that will help not only Summit Automotive Chrysler Dodge Jeep RAM but the community as well. For what’s happening at Summit Automotive Chrysler Dodge Jeep RAM be sure to follow our Social Channels!

  • Jamie Hansen

    Jamie Hansen

    Commercial/Fleet Manager

    (920) 579-2921
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    Jamie Hansen

    Jamie Hansen

    Commercial/Fleet Manager

    Jamie has been in the automotive industry for 5 years. 3 of which she spent as a sales representative upfitting vehicles from light duty to heavy duty quad axle dump trucks. She has a huge passion for animals. When she is not at work, she is cooking food and spending time with her fiancé(Dustin), son(Brayden) and dog(Malakai). They enjoy taking trips up-north and riding dirt bikes.

  • Brett Schmitz

    Brett Schmitz

    Used Inventory Production Manager

    (920) 397-0783
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    Brett Schmitz

    Brett Schmitz

    Used Inventory Production Manager

    Brett handles the website and all inventory including pictures and videos. Some other duties include network administrator and used vehicle expediter.

    He is a graduate of the University of Wisconsin Whitewater where he majored in Computer End-User Technologies. Brett began his career in the Automotive Industry full time in 2006. He has a large automobile knowledge spanning many makes, models and years. Brett grew up in Chilton, Wisconsin and moved to Fond du Lac in 2006. Brett has been with Summit Automotive Chrysler Dodge Jeep RAM since 2013 and enjoys the fast pace of the car market and likes the challenges that arise on a daily basis. He also created and manages the dealership’s youtube channel that has over 18.1 million views and over 28,100 Subscribers and gets over 11,000 views a day! You can check out his channel at Summit Automotive Chrysler Dodge Jeep RAM Youtube Channel. Remember to like, subscribe and share. In his spare time he enjoys spending time with his wife Ashley and their twin boys David and Taylor.

Finance

  • Dave Reilly

    Dave Reilly

    Business Manager

    (920) 238-3966
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    Dave Reilly

    Dave Reilly

    Business Manager

    Dave has been in the automotive industry since 2004 with most of them as a Business Manager. He is dedicated go above and beyond to make sure your customer experience is positive. When not in the office he enjoys road biking with his wife Jaime, hiking with his dog Bailey and spending time with his daughter (and adventure buddy) Lauren, his son Max and his grandson Asher.

  • Colin Choby

    Colin Choby

    Business Manager

    (262) 353-0040
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    Colin Choby

    Colin Choby

    Business Manager

    Colin has been in the car industry for the past 16 years with 9 of those years in the finance department. He grew up in Lake Geneva and now resides in West Bend. When Colin is not hard at work getting you the best loan possible he enjoys spending time with his wife and 4 children at home.

  • Zack Dobrunz

    Zack Dobrunz

    Business Manager

    (920) 238-3966
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    Zack Dobrunz

    Zack Dobrunz

    Business Manager

    Zack was born and raised in Appleton, where he grew up in car dealerships. He started as a lot attendant when he was 20 years old. Now he has been a Finance Manager for 2 years.

    He also spent 6 years in the Air Force Reserves. In his free time, he enjoys hiking with his dog and girlfriend, golfing, and spending time outside.

Sales

  • Marty Krepsky

    Marty Krepsky

    Product Specialist

    (920) 238-3966
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    Marty Krepsky

    Marty Krepsky

    Product Specialist

    Marty has been in the Automotive business for over 30 years with an emphasis on customer service and providing a great buying experience. He has experience selling all brands and will make sure you get the type of vehicle best suited to your needs. He has held positions from Sales Manager to General Manager so you can be assured he knows his business and can use that experience to make your visit productive and without hassle. He is very excited about joining the Summit Automotive Chrysler Dodge Jeep RAM because of the friendly atmosphere and customer comes first attitude.

  • Tommy Vang

    Tommy Vang

    Product Specialist

    (920) 238-3966
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    Tommy Vang

    Tommy Vang

    Product Specialist

    Tommy has 3+ years in auto industry and graduated locally from Fond du lac High School. His off time is spent with his 12 year old son Jhaedyn and family. Tommy is Bilingual and fluent in Hmong and English.

  • Jesse Slechta

    Jesse Slechta

    Product Specialist

    (920) 238-3966
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    Jesse Slechta

    Jesse Slechta

    Product Specialist

    Jesse is 25 years old and has been selling cars since he was 19. He is a big car enthusiast – performance cars, trucks, etc. you name it, he probably knows all about it!

    Jesse lived in Australia when he was 3 months old up until he was 7. In his free time he loves spending time with family and being on the lake when he can.

  • Mason Aird

    Mason Aird

    Product Specialist

    (920) 238-3966
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    Mason Aird

    Mason Aird

    Product Specialist

    Mason started at Summit Automotive Chrysler Dodge Jeep RAM in 2018 as a part time detailer at the age of 16. He lived in Oshkosh for 5 years and then moved to Fond du Lac.

    When Mason is not at work he is usually hanging out with his dog. He also enjoys everything outdoors including Hunting, Snowmobiling, Boating, and Golf.

  • Michael Marusich

    Michael Marusich

    Product Specialist

    (920) 238-3966
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    Michael Marusich

    Michael Marusich

    Product Specialist

    Michael has been in sales for about 4 years and has loved every bit of it. He loves working with customers to find them the perfect vehicle that fits their needs.

    In his spare time he enjoys spending time with his daughter who is 1, his wife and two dogs. In the summer months he enjoys going camping up north.

  • Ryan Soukup

    Ryan Soukup

    Product Specialist

    (920) 921-0850
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    Ryan Soukup

    Ryan Soukup

    Product Specialist

    Ryan started in the industry in 2013 and was in it until 2015 and decided to join back this year! He loves making sure customers find the perfect new or used vehicle for them and joy every minute of the process.

    In his spare time, he enjoys spending time with his wife Alexandria and his son Braxton. He enjoys playing in his church softball league, spending time up at his land in Coloma, and golfing whenever he can.

     

  • Chris  Rodriguez

    Chris Rodriguez

    Product Specialist / Yo hablo español

    (920) 921-0850
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    Chris  Rodriguez

    Chris Rodriguez

    Product Specialist / Yo hablo español

    Christopher takes pride in being honest and easy to work with. He’s a Mexican-American bilingual speaker and have a passion for helping people. He was born and raised as a Wisconsin native.

     

    In his my free time he likes to play video games, working on cars, and spending time with his girlfriend and son. He enjoys all types of food and hopes to one day travel all over the world.

  • Logan McDermott

    Logan McDermott

    Product Specialist

    (920) 921-0850
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    Logan McDermott

    Logan McDermott

    Product Specialist

    Logan has over a decade of experience in sales and customer service, owing a lot of success to his customer-first, stress-free approach. He is well known for making the customer experience as easy and straightforward as possible.

    Logan is a Fond du Lac native and loves spending as much time as possible outdoors in the summer, whether its hiking, biking, or golfing. In the winter months you can find him cheering on the Packers, reading a book, or snuggled up watching a movie with his black lab, Reggie.

  • Chris Kuklinski

    Chris Kuklinski

    Product Specialist

    (920) 921-0850
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    Chris Kuklinski

    Chris Kuklinski

    Product Specialist

    Chris has always had a passion for vehicles, especially sport cars. He’s been helping others since 2020, to find the right vehicle for them.

    He’s been a Wisconsin resident all his life, and enjoys looking and learning more about new vehicles. He enjoys spending time camping with his family and riding motorcycles with his younger brother.

Service

  • Lori Heisler

    Lori Heisler

    Parts Director

    (888) 736-9559
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    Lori Heisler

    Lori Heisler

    Parts Director

    Lori was born and raised in Fond du Lac. She has been in the automotive business since 1977. Lori joined the great team at Summit Automotive Chrysler Dodge Jeep RAM in 2008. She is married to Wayne and they have 2 amazing children, Keith, Katie (husband Kris) and two beautiful granddaughters. In her free time, Lori enjoys spending time with her family, reading, bicycling and working in her yard.

  • Jennifer Preston

    Jennifer Preston

    Service Director

    (920) 322-7556
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    Jennifer Preston

    Jennifer Preston

    Service Director

    Jennifer is the Service Director of Summit Automotive Chrysler Dodge Jeep RAM. She is new to the Fond du lac community relocating from Minneapolis, MN. A driven leader working to excel at client experience by building a strong team putting customers at the forefront of the service department. In her free time she loves spending time with her Daughter and family.

  • Geoff Kuitert

    Geoff Kuitert

    Service Writer

    (920) 322-7556
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    Geoff Kuitert

    Geoff Kuitert

    Service Writer

    Born and raised in Fond du Lac, Geoff graduated from UW-Oshkosh in December 2008 and started as the Manager of the Express Lube in January 2009. He has been a part of the dealership since 2000. He enjoys playing basketball, golf and a good movie in his spare time.

  • Jesse Zepeda

    Jesse Zepeda

    Service Advisor

    (920) 322-7556
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    Jesse Zepeda

    Jesse Zepeda

    Service Advisor

    Jesse has been in the automotive industry for a year and a half. In his free time he enjoys playing softball, golf, fantasy sports and spending time with his family and friends.

  • Jace Braun

    Jace Braun

    Express Lube Advisor

    (920) 322-7556
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    Jace Braun

    Jace Braun

    Express Lube Advisor

    Jace was born and raised in Fond du Lac. He has been in the automotive industry for 4 years, ranging from express lane, detailing, supervising, and service advisor. He enjoys music festivals/concerts, working on his project car, and downhill boarding.

  • Matt Richardson

    Matt Richardson

    Express Lube Advisor

    (920) 322-7556
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    Matt Richardson

    Matt Richardson

    Express Lube Advisor

    Matt was born and raised in Fond du Lac, WI. He has been in the automotive industry for four years with being a technician to now being a service advisor.

    In his free time he enjoys spending time with his family and fiance Sara. If he’s not at work he’s at the local pond/lake fishing or fixing his car.

  • Alicia Zickert

    Alicia Zickert

    Service BDC

    (920) 924-2640
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    Alicia Zickert

    Alicia Zickert

    Service BDC

    Alicia has been in the automotive industry for 3 years. Currently working towards her degree for Administrative Coordinator at MPTC. Alicia and her husband enjoy playing volleyball, traveling, and spending time with their family and friends.

     

  • Jordan Kollmorgan

    Jordan Kollmorgan

    Assistant Parts Manager

    (888) 736-9559
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    Jordan Kollmorgan

    Jordan Kollmorgan

    Assistant Parts Manager

    Jordan is a native of Fond du Lac. He has been with Summit Automotive Chrysler Dodge Jeep RAM since 2013. He enjoys golfing and going to concerts. Jordan loves the outdoors when he is not at Summit Automotive Chrysler Dodge Jeep RAM providing excellent parts customer service.

  • Sam Eichner

    Sam Eichner

    Parts Consultant

    (888) 736-9559
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    Sam Eichner

    Sam Eichner

    Parts Consultant

    Sam was born and raised in Jackson, WI. He has been in the Automotive Industry since 2012. He went to Moraine Park where he studied Automotive Technology.

    In his free time he enjoys playing cribbage with his girlfriend Patty. He will never pass up a game of corn hole when there is an opportunity. He also bowls in a league in Oshkosh on Friday nights. Sam loves spending time with family, especially with nieces Olive and Margot, and nephew Arrow.

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Summit Automotive Chrysler Dodge Jeep RAM 43.76061853361723, -88.47771062413098.