Steffanina is originally from Charlottesville, Virginia .  Although he grew up a competitive snowboarding, Matt taught himself how to dance when he was 13-years-old and would pursue dance as his career.   After a few years of choreographing on the east coast, Matt moved to Los Angeles in 2010.  
Matt has worked with artists such as Snoop Dogg , LMFAO , Wiz Khalifa , Taylor Swift , Krewella and Chris Brown .  He has appeared on So You Think You Can Dance , and In addition, Matt has danced at events such as World of Dance LA along with dancers such as Dominic Sandoval and Ian Eastwood .  In 2016, he participted in The Amazing Race alongside his fiance, Dana Alexa, and won.  
Matt started his personal YouTube channel in September 2011. His most populr videos include "WORTH IT - Fifth Harmony ft Kid Ink Dance | @MattSteffanina Choreography (Beg/Int Class)?", "WORK - Rihanna Dance Video | @MattSteffanina Choreography ft Fik-Shun", "Silento - WATCH ME WHIP / NAE NAE #WatchMeDanceOn | @MattSteffanina Dance Video", "TRAP QUEEN - Fetty Wap Dance | @MattSteffanina Choreography ft 9 y/o Asia Monet! #DanceOnTrap", and "WHERE ARE Ü NOW - Skrillex & Diplo ft @JustinBieber Dance | @MattSteffanina #WhereAreUNow" which collectively have hundreds of millions of views.      In addition, he is part of the YouTube channel DanceTutorialsLive where he teaches routines to various popular songs.  As of April 2018, Matt had over 7.6 million subscribers on his personal YouTube channel and 2.2 million on DanceTutorialsLive.   In addition, Matt has over 2.2 million followers on Instagram and 243k followers on Twitter .  
Currently, Matt teaches weekly hip hop classes at Millennium Dance Complex and IDA Hollywood in LA. as well as dance conventions and master classes around the world.