"Erik Wittmer did a fabulous job and listened to all our concerns especially since we were students from newbie to well advanced - great differentiation."
"Erik Wittmer was well-prepared and very nice and helpful."
"Outstanding - well prepared, motivated, caring, an exemplary model of an educator for us"
"Erik Wittmer- very knowledgeable and helpful"
"Erik Wittmer understands we are working adults, some with families and very busy lives. "