Mark McMorris is a Canadian snowboarder who specializes in the slopestyle and big air events. He was the first ever to complete a backside triple cork 1440 and won back-to-back gold medals in the 2012 and 2013 Winter X Games in the slopestyle event. Wikipedia*
On the C-SPAN Networks:
Mark McMorris has one video in the C-SPAN Video Library; the first appearance was a 2009 Forum.