Since turning pro, Isabelle has been the TV commentator for the last three World Poker Tour (WPT) episodes in Paris and written professionally on the topic of poker. On her brief professional career, Isabelle Mercier has won more than $250,000 in tournaments. She also won the World Poker Tour's "Ladies Night Out" poker tournament which is where she earned her nickname – NoMercy - from World Poker Tour host, Mike Sexton.