John Anhalt, who is the original creator of Leak Buster, Ace Poker Drills, and John has been playing poker for over 10 years, and has maintained a consistently high winrate at multiple stake levels over that time. He’s authored three poker ebooks, made over 100 instructional poker videos, hosted live workshops on poker theory, and has been interviewed on about poker on radio and TV over the years. You can read more about him here.