In 2006 Grignon was accepted into the Academy of Motion Picture Arts and Sciences for his contributions to the field of animation.
Awarded the first ever Distinguished Alumnus Award, Animation from Sheridan College in 2007.
Appeared in national advertising campaign for HP in their "Make it Matter" series in 2012.
Won the 2013 Premier's Award for Creative Arts and Design - Presented annually to six recipients, the Premier's Awards celebrate the outstanding contributions Ontario college graduates make to the province and throughout the world.
Grignon co-founded Nimble Collective in 2014 with DreamWorks alumni Jason Schleifer, Bruce Wilson, and Scott LaFleur after seeing a need for a robust, online, animation platform (like those found in the big studios) that everyone could access.
Grignon was the lead designer of Premo, the animation software developed at DreamWorks Animation. In 2018 Premo won a Technical Achievement Award from The Academy of Motion Picture Arts and Sciences.