David L. Hagen is the managing partner of all engineering projects at the firm. He brings with him over ten years of experience in the field of engineering with numerous cutting edge design theories. Over the past five years David has been working extensively in the Lake Tahoe watershed basin. This has enabled him to acquire knowledge in storm water filtration systems that can drastically reduce the areas needed to properly manage storm water runoff. Not only does this open additional areas to be developed within a project, but it also increases water quality considerations.