Dennis is Métis from southern Manitoba. After spending a decade working in TV in Alberta and Ontario, Dennis returned to Manitoba to join APTN’s Winnipeg bureau as a reporter/correspondent in September 2014. In 2016, he won a Canadian Association of Journalists award for his story A Soldier Scorned for APTN Investigates. In 2017, he became a host/producer for APTN National News and Face to Face. In 2020, Dennis and co host Melissa Ridgen were nominated for a Canadian Screen Award for Best News Anchor, National.