John Vorhaus has been described by CNN as "the sage of poker of our time." He has written more than three million words about poker in a career stretching back to 1988. In recent years his prolific pen has yielded Killer Poker No Limit!, Killer Poker Online/2: Advanced Strategies for Crushing the Internet Game, The Killer Poker Hold'em Handbook, and Poker Night: Winning at Home, in Casinos, and Beyond.
Tony Guerrera studied physics at Caltech and has used his analytic skills and mathematical background to establish a winning poker record in many different venues. He is the author of Killer Poker by the Numbers and was a key contributor to Killer Poker Online/2 by John Vorhaus. These days, he spends a lot of time multi-tabling no-limit cash games and tournament games online.