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David Keith, principal of Marshall Design, Inc., is a lighting consultant with over twenty years experience in design, research and education. He has worked on a wide range of issues related to lighting, from designing public and private lighting projects and doing original research into lighting and energy issues to writing ordinances and testifying in legal cases. David was the principal author for revisions to the IESNA Lighting Fundamentals course, and has taught both interior design and engineering students at local colleges. He has been active member of the IESNA Roadway Lighting Committee for twenty years, recently served on the IESNA Technical Review Council and Education Review Council, and is a Fellow of the IESNA.
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