"Interesting, exciting to listen to, fun to work with I can give David my highest recommendation." Bruce B., VP of Technical Training, New York City
"I would rather hear David in English than anyone else in Russian." from a Russian speaker
"The instructor was key to this class I've never had as good of an instructor before I could only hope to take more classes taught by David he has a great teaching method."
"Instructor was extremely knowledgeable, course was well-taught, and course materials solid." From a senior programmer
"I was impressed with the extent to which the instructor maintained balance in the JavaScript course. There was humor and entertainment but at the same time, we covered TONS of material. He fielded questions that were beyond the scope of the course without letting us get off-track. Great course!!" Pam J., Sapiens Technologies, Rehovot, Israel
"David is a gifted instructor who makes the classroom interesting, exciting and fun." Y.W., Training Manager for a large software company
"Instructor was excellent, materials were well-prepared."
"It was the best course (thanks, David) I've ever participated in." Manager, Fortune 500 company, New York