Poland-born Norwegian fencer known fencer known for winning a silver medal in épée at the 2012 Olympic Games, making him Norway's first fencer to win an Olympic medal.
He competed at the U23 European Fencing Championship in 2009, coming away with a bronze medal.
He studied computer science at the University of Oslo and has worked as a math teacher when not fencing.
His father, Mariusz Piasecki, has served as his coach and fenced for Poland's national team.
Ruben Limardo won gold at the 2012 Olympics in épée.