On 3 October 2022 the Northern Grampians Shire Council appointed Trenton as Acting Chief Executive Officer.
Trenton commenced working with Northern Grampians Shire Council in 2009 as an Engineering Student, whilst studying a Bachelor of Civil Engineering.
Trenton has spent the last thirteen years at NGSC. He was appointed to the role of Manager Operations in 2016 and in 2019 was appointed the Director Infrastructure and Amenity. As the Director Trenton assumed the overall responsibility of operations, infrastructure, environment and community safety functions of council.