About
Matt O'Brien is a New Zealand-born Australian professional rugby union referee. He has officiated on the IRB Sevens World Series circuit since 2011 and was appointed to the Super Rugby referees panel for 2014 and 2015.
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Matt O'Brien is a New Zealand-born Australian professional rugby union referee. He has officiated on the IRB Sevens World Series circuit since 2011 and was appointed to the Super Rugby referees panel for 2014 and 2015.