Meet the Ply Gem Siding Trainers

Eric Cotterman

Our Senior Product/Installation/Sustainability Manager has over 20 years of Installation experience.

Eric is currently serving as the chair of the VSI Sustainability and Recycling committee and is committed to always looking for opportunities to create a better experience for the customer and planet.


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Junior Cotterman

Junior is our Senior Trainer and has over 47 years of experience in the Building Products Industry.

He firmly believes that on-going education in this field is crucial to maintain quality installation practices.


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Brian Miller

Brian Miller is our Product/Installation Trainer with over 25 years in the buildings product industry, specializing in installation. Brian is a certified VSI Master Trainer and a member of the VSI workforce development committee. Brian is committed to the ongoing training, education, and development of installation practices.

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