However, in 2001 he was invited to be the alternate on Andy Roza's team at the 2001 World Junior Curling Championships, where they defeated Scotland's David Edwards in the bronze medal match.

He skipped his team of Kris Perkovich, Phill Drobnick, and Kevin Johnson to a fifth place finish, missing the playoffs when they lost a tiebreaker to four-time national champion Jason Larway.

The 2010 World Men's Championship was held in Cortina d'Ampezzo, Italy and Team Fenson finished in fourth when they lost to Scotland's Warwick Smith in the 3 vs. 4 page playoff game.

[7] The 2013 National Championship yielded better results, again earning the silver medal, this time losing to Brady Clark in the final.

[11] Representing the United States at the 2015 World Championship in Halifax, Nova Scotia, Team Shuster missed out on the playoffs when they lost a tiebreaker to Finland's Aku Kauste.

Despite finishing in second, Team Shuster earned enough points throughout the season to secure their return trip to the World Championship.

[14][15] For the 2016–17 season they added Joe Polo, a former teammate of George and Shuster, as alternate and won the 2017 National Championship.

In the semifinals they defeated Canada's Kevin Koe, a two-time world champion, to reach the gold-medal match versus Niklas Edin's team representing Sweden.

After winning gold, George elected to temporarily step away from curling, citing his desires to take time off to "...recharge the battery, let my body heal.