Tim Garrison, the Builder's Engineer(tm), is the president of ConstructionCalc Software, Inc. He is the author of four books, including, Green Framing, An Advanced Framing How-To Guide. Tim stays current with industry trends as a practicing professional engineer. He is an active member of his local builder's association, teaching seminars on Green Framing, Microsoft Excel, and How To Profit In A Down Economy. Tim lives and works in Mount Vernon, WA.