Jeffrey John (Jeff) Meckstroth is an American professional contract bridge player. He is a multiple world champion, winning the Bermuda Bowl on USA teams five times. He is one of only ten players who have won the so-called triple crown of bridge: the Bermuda Bowl, the World Open Pairs and the World Team Olympiad. As of May 16, 2016, he was the fifth-ranking World Grand Master. For decades Meckstroth has been in a regular partnership with Eric Rodwell and together, nicknamed "Meckwell", they are one of the most successful bridge partnerships of all time. They are well known for playing an aggressive and very detailed system that derived from Precision Club.