Santosh Tripathi is a highly experienced civil engineer and Principal Engineering Manager in Road Design with the Queensland Department of Transport and Main Roads, where he has worked for over 18 years. He leads the Standards, Research and Training team, overseeing the development, application and continuous improvement of road design and safety standards across Queensland. Santosh provides specialist technical advice on complex transport infrastructure projects, manages multidisciplinary teams, and drives applied research to enhance road safety outcomes. He represents Queensland on national panels, including the Austroads Safety Barrier Assessment Panel, contributing to the evaluation and approval of roadside barrier systems.