Started his professional career with AIK in 2002 and played with them until 2007. He then moved to Färjestads BK in the Elitserien.
Won one silver Olympic medal in 2014 in Sochi.
Is a professional ice hockey goaltender currently playing for the Edmonton Oilers.
On July 1, 2016, having concluded his contract with the Boston Bruins, signed as a free agent to a one-year deal with the Edmonton Oilers to provide backup to starting goaltender Cam Talbot.
Referenced in the eighth episode of the seventh season in Psych titled "Right Turn or Left for Dead." Shawn tells a Swedish bartender that Gus's name is "Jonas Gustavsson." The bartender replied "From the Toronto Maple Leafs?".
Previously played for the Toronto Maple Leafs, Detroit Red Wings, and the Boston Bruins.
Won 2 bronze medals from World Championships in 2009 and 2010.
Won the Elitserien Guldpucken Award (Best Player in Swedish Hockey) in 2009.
Was the top goalie in 2008-2009, when he posted a 1.96 goals against average (GAA) and a save percentage of .932.