Date of Birth: 
About Jonatan Kopelev
- Jonatan Kopelev (or Yehonatan, Hebrew: ?????? ??????; born 1 October 1991) is an Israeli swimmer.
- He competes in 100 m backstroke, 200 m backstroke, and 50 m backstroke.
- He won a gold medal in the 50 m backstroke at the 2012 European Aquatics Championships.
Read more at Wikipedia