Career
Arthur was a Parramatta Eels junior and played SG Ball and Under-21s for the club He then moved to the Penrith Panthers where Royce Simmons advised him he would never make first grade. In 1997 Arthur, aged only 22, accepted a job as a captain-coach of the Batemans Bay Tigers.
Arthur then was the captain-coach of the Cairns Brothers club for eight seasons, leading the club to four premierships and six grand finals.
In 2007 he was appointed the Melbourne Storm"s NRL Development Coach. In 2008 he was appointed the Melbourne Storm"s inaugural Toyota Cup coach.
In 2010 he was promoted to an assistant coach in Melbourne alongside Stephen Kearney. In 2011, he was appointed the assistant coach of the Parramatta Eels, following the appointment of Kearney as head coach.
Kearney was fired in 2012 with six games remaining and Arthur was appointed the caretaker coach.
Following the appointment of Ricky Stuart as head coach for 2013, Arthur was informed that he will not be retained as an assistant coach. Starting in 2013, Arthur was appointed as the assistant coach to Geoff Toovey at the Manly Warringah Sea Eagles. As of the 16th of October 2013, Arthur accepted a 3-year deal to join the Parramatta Eels as head coach.