Aaron Harper was born in Auckland, New Zealand on May 20 1967, and was raised in North Queensland, finishing his schooling at Heatley Secondary College. With further studies he gained his Associate Diploma, Applied Science Ambulance, 1994, and an Advanced Diploma, Intensive Care Paramedicine in 2000.
In 1990 he joined the Queensland Ambulance Service and went on to become an Intensive Care Flight Paramedic. Aaron held various positions in his Ambulance career working throughout Townsville and surrounding districts of Charters Towers and Ingham. He also worked as Acting Officer in Charge of Black River and Kirwan Ambulance Stations. He was the President of the Combined Emergency Services Committee from 1995 to 2000 which raised significant funds to help build the Ronald McDonald House in Townsville. He was awarded the Australia Day Medallion (QAS) 1996, the National Service Medal (Ambulance) 2005, and Australia Day Medallion (QAS) 2012.
Aaron resides in Kelso with his family. He is a member of the NQ Cowboys NRL Club, Thuringowa RSL, Ross Valley Lions Club and the Upper Ross Community Voice. Aaron ran as a Labor candidate for the Queensland Parliament and on 31stJanuary 2015, he was elected as the Member for Thuringowa and was then appointed in the Parliamentary Committee for Health and Ambulance Services which is now the Health, Communities, Disabilities Services and Domestic and Family Violence Prevention Committee, and in February 2018 Aaron became the Chair of this Committee.