"Outstanding - well prepared, motivated, caring, an exemplary model of an educator for us"
"Great teacher and positive critic. Erik Wittmer is excellent."
"Erik Wittmer was absolutely fabulous!!!! I wish I could give more than 5 stars!!"
"Erik Witmer has extensive knowledge in the use of the Ipad as well as a mountain of useful apps."
"Erik Wittmer was well-prepared and very nice and helpful."