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Jonathan Kostic

Project Coordinator
Jonathan Kostic, from Pennsylvania, epitomizes professionalism as a Project Coordinator at GenStone. His outgoing nature is matched by his dedication to excellence, evident in his meticulous approach to every task. Jonathan's love for the color Iron Ore reflects his attention to detail. With hobbies ranging from traveling to swimming, he brings a dynamic energy to the workplace, fostering a collaborative environment. Coworkers commend his unwavering work ethic, describing him as a hard worker committed to continual growth. Jonathan Kostic, with his dedication and remarkable memory, is an invaluable asset to any project team.
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I highly recommend this product looks amazing very easy to install and customer service and support was top notch. Jonathan Kostic was my salesperson and he was there for everything I needed. Great people to do business with
Monty Wood , Owasso, OK
Bazaarvoice
2460
Projects
7
Reviews

Jonathan Kostic's

The agent kept in touch

Northern Slate Northern Slate Panel
The customer service agent referred me to my project manager. The agent kept in touch with me to ensure the project manager had connected with me.
Jonathan Kostic
Project Coordinator

Jonathan was the best!

Keystone Keystone Panel
this product is amazing . Jonathan was the best
Jonathan Kostic
Project Coordinator

Exceptionally Helpful

Desert Sunrise Desert Sunrise Panel
Exceptionally helpful and knowledgeable, and the product appears to be superior. Hopefully the shipping goes on schedule.
Jonathan Kostic
Project Coordinator

Looks great, easy to install

Northern Slate Northern Slate Panel
Looks great, easy to install, especially if you have developed woodworking skills. When you cut the product you need to paint the cut surface with the matching paint. There is an expansion and contraction issue. With temps in the 80’s and above the joints are tight. When temps go to 0 or so the joints open by about a 1/4 in.
Jonathan Kostic
Project Coordinator

So far, it’s been good

Desert Sunrise Desert Sunrise Panel
So far, it's been good
Jonathan Kostic
Project Coordinator
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Highly Recommend

Desert Sunrise Desert Sunrise Panel
I highly recommend this product looks amazing very easy to install and customer service and support was top notch. Jonathan Kostic was my salesperson and he was there for everything I needed. Great people to do business with
Jonathan Kostic
Project Coordinator
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Excellent Service

Vanilla Bean Vanilla Bean Pillar Panel
Excellent Service
Jonathan Kostic
Project Coordinator
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Project Coordinator Joshua Burck
Joshua Burck
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Representing Arvada, Colorado, he brings professionalism and warmth to his role. Passionate about fishing, sports, concerts, and swing dancing, he combines an easy-going demeanor with a commitment to excellence.
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Joseph Hajek
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Hailing from Denver, CO, he brings professionalism and camaraderie to every project. Passionate about golf and sports, he energizes team interactions and fosters a vibrant work environment.
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Kayla Anderson
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A native of McHenry, IL, she is known for her personable demeanor and passion for her craft. With an adventurous spirit, she excels in coordinating projects with finesse.
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Rob Dean
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A native of Aurora, CO, he brings a vibrant personality and dedication to his role. Passionate about lacrosse, golf, and quality time with loved ones, he embodies camaraderie and hard work.
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Project Coordinator Courtney Mintz
Courtney Mintz
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From New Mexico, she blends a passion for fitness, culinary exploration, and outdoor activities like hiking and biking. Known for her dedication, humor, and hard work, she brings energy to every project.
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