Denny Berkery has been involved in the art glass business for the last 30 years. He is owner of The Vinery Stained Glass Studio in Madison, Wisconsin.

Berkery has written articles for various publications including Glass Patterns Quarterly, Profitable Glass and Stained Glass New and is also a publisher of series of pattern books for stained glass. In 2009 Berkery was awarded Retailer of the Year Award by the Art Glass Association.

"Teaching is my passion and I see it as a tool to grow our industry."