David Keith has been working in lighting for 40 years as a designer, educator, researcher and innovator. (He is currently working at WSP USA in the Transportation Lighting office.) His publications as author and co-author have topics ranging from calculation techniques to sky glow, and includes the current FHWA Lighting Handbook.

He has been contributing to the IES Roadway Lighting Committee for over 30 years and currently serves as lead for the Measurements and Calculations group. David has been honored as a Fellow of the IES.