he began presenting the AFL segment on the Seven Network program Sportsworld with David Schwarz. He called the speed skating event at the 2006 Winter Olympics with Bradbury and also commentated on Rowing, Canoe/Kayak and Basketball at the 2008 Summer Olympics. Zempilas is the senior sport presenter on Seven News Perth, and in the past has provided AFL commentary on radio station 1116 SEN into Melbourne. He was a co-host of the Lisa, Paul & Baz show on Perth's 92.9 but left in November 2013. He joined Steve Mills to host the 6PR breakfast radio show in January 2014. Since 2012, Zempilas has been part of the Seven Network's expanded AFL broadcast team. Between 2012 and 2016, he mainly called Saturday afternoon matches and occasionally some Friday night (if the match in this timeslot is played in Perth) and Sunday afternoon matches; in 2017, he called Saturday night matches and continued to call Thursday and Friday night matches played in Perth. In 2018, due to his Weekend Sunrise commitments, his football duties were reduced to calling only Friday and Saturday night matches played in Sydney, and some matches in Perth. He was also a commentator for Seven's Australian Open tennis coverage and is the host of the annual Channel Seven Perth Telethon. In March 2018, Zempilas was appointed co-host of Weekend Sunrise replacing Andrew O'Keefe after previously filling in as host of the show. In September 2019, Zempilas stepped down as regular host of Weekend Sunrise, citing a desire to spend more time with his family, however he still appears on the show intermittently as a summer and fill-in presenter whenever required. In October 2019, it was announced that Matt Doran would replace Zempilas on the show from October 12. In October 2020, it was announced Zempilas and 6PR would part ways at the end of his contract in November, due to 6PR being owned by Nine Entertainment Co. In December 2020, Zempilas finished up at 6PR, but the following week he was announced as host of Triple M Perth's breakfast program with Jenna Clarke and Xavier Ellis. In February 2022, it was announced that Zempilas would scale back his duties with the Seven Network, stepping down from his role as sports presenter on Seven News Perth. Political career In January 2020, Zempilas announced that he was running to be the Lord Mayor of the City of Perth. Zempilas said