John is very patient, experienced and prepared. … [W]hat I really like is that he sent me a detailed summary of “what we covered” after each lesson.

Tutoring parent

John Turnbull forced me to step out of my comfort zone in order to explore what it means to be more than just [a] good writer. … For the first time since coming to NIU, I felt like I was learning as a writer. … I was finally receiving actual, in-depth reviews of my writing.

NIU student