Andrezey Jezierski had the following podium finishes at the Flatwater World Championships: 1st 2002 C4 1000 m (with Michał Gajownik, Roman Rynkiewicz, and the non-Olympian Adam Ginter), 1st 2005 C4 1000 m (with Wojciech Tyszyński, Michał Śliwiński, and Michał Gajownik), 2nd 2002 C1 200 m, 3rd 2003 C4 1000 m (with Roman Rynkiewicz, Wojciech Tyszyński, and the non-Olympian Adam Ginter), 3rd 2005 C4 500 m (with Michał Śliwiński, Michał Gajownik, and the non-Olympian Adam Ginter). Jezierski represented Poland up to his retirement in 2005 and started to compete for Ireland in 2011.