[1][2][3] His first name has sometimes been romanized as Jean[4][5] or Jan.[6] He was born in Chelyabinsk, but his family moved to Israel soon after and returned to Russia seven years later.
[3] He spoke only Hebrew as a child, and learned Russian when the family returned.
In spring 2010, he moved to Saint Petersburg to be coached by 1994 Olympic champion Alexei Urmanov.
Bush finished 5th at the 2012 World Junior Championships in Minsk, Belarus.
[11][12] Bush placed 10th at the 2012 World Team Trophy in Tokyo, Japan.
At the 2012 Cup of Nice, he was 15th in the short program but won the long and finished 6th overall.
Bush made his senior Grand Prix debut at the 2012 Rostelecom Cup.
In spring 2013, Bush changed coaches to Svetlana Sokolovskaya in Moscow.
«In the Russian national figure skating skaters from Chelyabinsk and Yekaterinburg».
«In the Alpine mountains begins a new season of 2011-2012 18-year-old bronze medalist Russia skater Jean Bush».
«Alexei Urmanov: intentionally throw the skater Bush recess».
«Urmanov hopes that will help Panin Memorial figure skatingcareers of his».
«Alexei Urmanov: Perhaps Plushenko skating championship Russia will not be brilliant, but the level of his talent and skill will allow him to win».
«Chelyabinets Zhan Bush was one step away from the podium at the Russian championships in figure skating in Saransk».
"Skater Zhan Bush learned on the ice to reveal his identity — Urmanov."
"Skater Zhan Bush won the Russian championship and set a personal record."
«Russians Zhan Bush ranked fifth after the short program at the Junior World Championship in figure skating, which takes place in Minsk».
«Figure skater Bush said that he was too quiet at the start of the Junior World Cup».
«Figure skater Bush is ready to act worthy of the adult world championship».
«Alexeу Urmanov: Looking to the future, more interesting to send to the World Cup, Zhan Bush, not Sergei Voronov».
«Skater Bush would be helpful to go to an adult World Cup – Coach».
«Alexeу Urmanov: skater Lipnitskaya debuted better than Kim Yu-Na».
Olympic champion Alexei Urmanov and coach: "The interest in figure skating great!
Alexey Urmanov: For Zhan Bush this Grand Prix will be the first in the life.