In 2005, Webster joined
American National Rugby League club, the
Connecticut Wildcats as a
player-coach. He led the team to the Grand Final, where they were defeated by the Aston Bulls. In 2006, Webster joined
Hull Kingston Rovers as an assistant and academy coach. In 2008, he returned to Australia, spending a season with the
Parramatta Eels on work experience. He returned to Hull KR in 2009 as an assistant coach, spending three more years with the club. In 2012, he once again returned to Australia, this time as head coach of the
Balmain Tigers SG Ball Cup team and assistant to the
Wests Tigers NYC team. That year, Balmain won the SG Ball Cup for the first time in 30 years and would go onto win the Under-18 National Final over the
Townsville Stingers. In 2013, Webster took over as head coach of the
Parramatta Eels NYC team, winning just seven games. In 2014, he returned to the
Wests Tigers as head coach of their
NYC team, winning 16 games and reaching the finals. In 2015, Webster joined the
New Zealand Warriors as an assistant to then head coach
Andrew McFadden.
Wests Tigers After two seasons at the Warriors, Webster once again returned to the
Wests Tigers in 2017 as an assistant coach. On 22 March 2017, Webster was named interim head coach of the Tigers after former head coach
Jason Taylor was sacked three games into the season.
Ivan Cleary was announced as the new head coach on 3 April 2017.
Penrith Panthers In 2020, Webster joined the
Penrith Panthers as an assistant coach ahead of the
2021 NRL season, replacing
Trent Barrett. Webster would go on to win back-to-back Premierships with the Panthers in 2021 and 2022. During round 9 of the
2022 NRL season, Webster coached Penrith for one NRL game when head coach
Ivan Cleary was absent, along with fellow assistant coach
Cameron Ciraldo.
New Zealand Warriors On 8 July 2022, the New Zealand Warriors announced that Webster had been appointed as their head coach, beginning with the 2023 season. Webster led to the Warriors to a top four finish, and the club's first home semifinal since 2007, during a highly successful first season in charge. On 27 September 2023, Webster received the
Dally M Coach of the Year award, after taking the New Zealand Warriors to a preliminary final from 15th on the ladder in 2022. However, the club could not back up a strong 2023 season with the club finishing 13th on the table at the conclusion of the
2024 NRL season. In the
2025 NRL season, Webster guided the New Zealand Warriors to a 6th placed finish on the table. They were eliminated in the first week of the finals by Penrith. ==References==