He represented Israel in 2015 at the 16th FINA World Masters Championships in Kazan , Russia .
He won gold medals in the 200 - meter and 400 - meter medley , and silver medals in the 200 - meter butterfly and 800 - meter freestyle .
Representing Israel in 2015 at the 16th FINA World Masters Championships in Kazan , Russia , he won gold medals in the 200 - meter and 400 - meter medley , and silver medals in the 200 - meter butterfly and 800 - meter freestyle .