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Member Bios

NSA Past President – John Chan

NSA Past President – John Chan Name – John Chan Company – Durable Slate Job Title/Responsibilities –  Owner/VP 1.     Where did you grow up and where do you live now? Grew up in Columbus, Ohio.  Split time between DC and Atlanta 2.     Can you... read more

NSA Board Member – David Large

Name: Dave Large Company: North Country Slate Job Title/Responsibilities: President 1. Where did you grow up and where do you live now? Grew up in small town Ontario, Canada and now live in Markham, a suburb of Toronto 2. Can you tell us a bit about your Family? I... read more

NSA Board Member – Clay Heald

Name: Clay Heald Company: New England Slate Job Title/Responsibilities: VP/Sales, Sourcing, Production 1. Where did you grow up and where do you live now? Native Vermonter for most of my life. 2. Can you tell us a bit about your Family? Fiancé Wendy and 5 kids total:... read more

NSA President – Brian Chalsma

Name – Brian Chalsma

Company – The Roofing Company, Inc.

Job Title/Responsibilities – President/CEO/Founder

I Grew up on a dairy farm in Wisconsin and for the last 31 years I’ve lived in Virginia.

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