Allen brings 15 years of experience in engineering consultancy and project delivery across Southeast Asia and Australia. His portfolio includes large-scale infrastructure, property and urban developments, highways, railways, underground and water facilities, as well as mixed-use, residential, commercial, and industrial projects for Tier 1 contractors and NSW Government clients. Allen possesses extensive technical expertise in civil engineering, including stormwater design, flood assessment, utility management, road design, bulk earthworks, site development, masterplanning, and railway design. He is recognized for delivering innovative, integrated technical solutions that meet client requirements, regulatory standards, and sustainability objectives, combining engineering excellence with practical, constructible solutions across complex, multi-disciplinary projects.