Mezue ahịrịokwu na-esonụ: Thiessen, na mbido ya na Canadian Juniors, tụfuru njedebe nke 2001 Canadian Junior Curling Championship na-eduzi Mike McEwen. Thiessen bụ onye otu egwuregwu egwuregwu nke 2003 Winter Universiade. Ọ nọchitere anya Mahadum Brandon, na-egwu egwu maka Mike McEwen. Mgbe ọ gụsịrị mahadum, ọ na-eduzi Sean Grassie tupu ọ gaa igwu egwu na Alberta dị ka Mark Johnson na-eduzi na 2004. N'afọ 2006, ọ kwagara Kevin Koe. Thiessen meriri 2008 Canada Cup nke Curling na ndị otu ahụ, wee tozuo maka Brier mbụ ya na 2010 dị ka Team Alberta. Ndị otu ahụ meriri Brier mgbe ha meriri Glenn Howard nke Ontario 6-5 na ngwụcha. Ha gara n'ihu merie n'asọmpi ụwa nke afọ ahụ, na-enweta ihe nrite ọla edo mgbe ha meriri Norway, nke Torger Nergård gbara. Mgbe Pat Simmons bịanyere aka na ndị otu ahụ, ha gara Brier nke abụọ ha na 2012, mana meriri Ontario, nke Glenn Howard hapụrụ na njedebe. Na 2014 Brier rink kwughachiri dị ka ndị mmeri Canada, na-emeri John Morris 'BC rink 10-5 na njedebe. Ndị otu ahụ ga-aga n'ihu na-agwụ na 4th ebe na
2014 World Men's Curling Championship. Mgbe oge ahụ gasịrị, Koe hapụrụ ndị otu ahụ ma John Morris dochie ya. Ndị otu ahụ ga-anọchite anya Team Canada na 2015 Tim Hortons Brier dị ka ndị na-agbachitere. Ha ga-emeri 2015 Brier wee gaa n'ihu merie ọla nchara na 2015 Ford World Men's Curling Championship. Ndị otu ga-anọchite anya Team Canada na 2016 Tim Hortons Brier maka oge ikpeazụ, na-agwụ na 5th ebe. Ndị otu ahụ ga-aga n'ụzọ nke ha mgbe oge ahụ gasịrị.