[2] In addition to volleyball, Passier played basketball and was a talented swimmer; "making numerous trips to the Queensland swimming titles.

That goal was realized in 2012 when Travis got his chance to help lead the Volleyroos (Australian Men's National Volleyball Team) to qualify for the Olympics.

His father Len and brother Jake, a former Toowoomba Titan volleyball player, traveled to London to watch him compete for Australia.

[2] He then got his chance to play for the senior Australian National team at the 2008 Asia Cup, and then at the 2009 Asian Championships where he helped lead Australia to a 7th-place finish.

[3] In 2010 he went back to his roots with the Titans after finishing the season in Denmark to keep up his skills for the national team trials.