text: Hauser is laureate of international competitions and awards such as the PLG Young Artists Auditions 2009, the J & A Beare Solo Bach Competition 2009, NYOS Staffa Award 2009, the Philharmonia Orchestra – Martin Musical Scholarship Fund 2009 and 2008, the Eastbourne Symphony Orchestra Young Soloist Competition 2009 and 2007,  the Tunbridge Wells International Young Concert Artists Competition 2008 and 2006, the Computers in Personnel International Concerto Competition 2008, the Frankopan Fund Award 2006, and the MBF Music Education Award 2006 and 2005. He has also won international cello competitions and awards such as the Adam International Cello Festival and Competition in New Zealand 2009, and the VTB Capital Prize for Young Cellists 2009. Altogether, Hauser collected a total of 21 first prizes at national and international competitions and, as a consequence, he was invited to perform twice on Gala concerts for HRH Prince Charles at Buckingham Palace and St. James's Palace.
  In May 2012, Hauser won four Porin awards, two with Luka Šulić (2Cellos), and the other two for his collaboration with Damir Urban on their album Urban & Hauser.
  Hauser subsequently won an additional Porin award, for Best Video Release, along with Luka Šulić (2CELLOS) and Dušan Kranjc (drummer) for their Arena Zagreb DVD.