John Hennigan, widely known by his nickname “Johnny World,” is a legendary American professional poker player and a 2018 Poker Hall of Fame inductee. Renowned for his versatility across all poker variants, Hennigan is considered one of the greatest mixed-game players in the history of the sport.
Career Earnings & Biggest Results
With total live tournament earnings surpassing $10,050,37 (according to The Hendon Mob), Hennigan is a mainstay at the top of the All Time Money List. His career-best live cash of $1,606,223 came from his victory in the prestigious 2014 WSOP $50,000 Poker Players Championship. A seven-time WSOP bracelet winner, he has secured titles in disciplines ranging from Deuce-to-Seven Triple Draw to H.O.R.S.E., further solidifying his status and poker net worth. His consistent high-stakes cashes at the WSOP and on the WPT circuit reflect a career defined by longevity and elite performance.

Biography & Poker Background
Originally from Atlantic City, New Jersey, Hennigan began his gambling career as a world-class pool player before transitioning to poker in the early 1990s. He quickly moved from the East Coast to Las Vegas, where he became a fixture in the highest-stakes cash games in the world, including the legendary “Big Game”. His nickname “Johnny World” was reportedly coined by fellow pros because he was willing to bet on almost anything in the world. Since 1999, he has maintained a prolific presence on the global stage, earning the respect of his peers for his unflappable demeanor.
Play Style & Strategy
Haennigan is celebrated for a highly adaptive and “feel-based” play style that makes him a formidable opponent in any format. While he possesses a deep understanding of mathematical foundations, his strategy emphasizes elite hand reading and psychological observation – traits honed during his years in high-stakes pool and cash games. He excels particularly in mixed games and limit formats, where technical precision and game selection are paramount. His ability to remain composed under extreme pressure and apply relentless aggression has made him one of the most successful final table competitors in poker history.












