His cousin, Caroline Hallisey, is a short track speed skater and a three-time Olympian.

[1][4] From 2000 through 2009, Carriere trained at the Skating Club of Boston and was coached by Mark Mitchell and Peter Johansson.

In the 2005–2006 season, Carriere won a gold and a silver medal on the Junior Grand Prix and then placed 6th at the Final.

After placing ninth in his senior national debut, Carriere was named to the 2007 Junior Worlds team.

At Junior Worlds, after placing sixth in the short program, he won the free skate, pulling up to win the event overall.