Harold Davis is a strategic technology consultant, hands-on computer programmer, photographer, and the author of more than twenty books including Building Research Tools with Google For Dummies. Harold writes the Googleplex Blog and Photoblog 2.0.

In addition to his work as a writer, Harold has been a technology company executive, enterprise consultant, software developer, and a professional photographer. He maintained a photography studio in New York City for over ten years. His photographs are published, exhibited, and widely collected.