John Turnbull is a diligent, clear-minded, and fair journalist and researcher. … His passion and humor exist just beneath a surface of perfect professionalism. (Founder & CEO, Street Soccer USA, New York NY)

Lawrence Cann

John is a very dedicated and passionate teacher. He likes to make his classes very interesting, dynamic and fun. (Director of Adult Education, Latin American Association, Atlanta GA)

Lana Gavrilov