David is a masterful teacher. He moves the material forward at a good pace and is extremely knowledgeable. I've had great teachers, including famous ones, and David ranks at the top. -- Peter Grossman

"David is an excellent instructor with real-world, real-time experience with the subject. A must for anyone on their way to becoming a 'digi-holic.'" -- Claudia Perry

"I would definitely recommend David as an instructor. He was low-key, organized, very patient, and could answer just about any question the class threw at him." -- Lisa Kahn

"David is both knowledgeable and patient. He takes the time to find out what his students want to get out of the course and tailors his lectures to their personal interests." -- Karen Rouse

"Thanks to David I left the course with a strong grasp on the principles behind web design and tools and resources to expand on my knowledge. He is an excellent teacher." -- Jenny Spaulding

"David is a welcoming, friendly instructor willing to answer even the most simplistic query. I began the class knowing virtually nothing about the code that runs the internet and left with a solid sense of understanding." -- Derek Flood

"David was a great instructor. He took the fear out of what I thought was going to be an overwhelming course and made it easy to understand." -- Patty Cabot

"David is highly knowledgeable about what he teaches and he never talks down to you. He genuinely cares that you really learn." -- Justin Remus