Antonia Theodoulou Bio Antonia Theodoulou is an Engineer at Arcadis who specialises in underground structures. Her curiosity and passion for exploring the unknown drive her success in the field, having worked on major infrastructure projects across Victoria, Canada, and South Australia. Her experience spans across a variety of underground structures including tunnels, portals, caverns, [...]

Ulrike Pelz Bio Over a career spanning more than 28 years, Ulrike has worked as a civil engineer on major tunnelling infrastructure projects in Germany, the Netherlands, Australia, and Singapore. Ulrike’s work experience covers all aspects of project delivery including tendering, detailed design delivery, project and construction management. This history provides her with a [...]

Michael Lehfeldt Bio Michael is a civil engineer who has many years of project, program, contract administration, consultancy and asset management experience in road, rail, aviation, defence, mining, and finance. His experience spans the entire asset lifecycle and he has designed, delivered and maintained multiple signature infrastructure projects during his career. He is the [...]

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Eng How Ghee Eng-How has worked in the field of civil engineering for more than 24 years, with many years focusing on tunnelling and structural projects in Australia, Singapore and Malaysia. Eng started his engineering career working with engineering consultants in Malaysia before completing his academic studies with a postgraduate research degree focused on [...]

Brodie Aitchison Brodie is a Chartered Civil Engineer specialising in delivering tunnelling projects. His expertise spans civil, structural, and geotechnical engineering disciplines for underground infrastructure projects, including tunnels, caverns, adits and portals. He has successfully designed, coordinated and led tunnelling work on projects throughout Australia, New Zealand, Singapore and Hong Kong. Brodie is the [...]

Dr Gitte Goffin Bio Dr Gitte Goffin is a senior civil materials engineer at Aurecon with over 12 years’ experience in academic research and consulting. She has extensive experience in asset integrity and durability design of civil structures as well as expertise in non-destructive testing and corrosion science. She specialises in the durability design, [...]

Anthony Harding Bio Anthony is Jacobs Technical Director for Tunnels, Asia-Pacific. He gained a degree and PhD from Edinburgh University and joined Halcrow (now part of Jacobs) in London in 2000. He has worked on a wide range of tunnel projects, across the road, rail, power and water industries. His experience covers TBM and [...]

Tom Roper Bio Tom Roper is a Geotechnical and Tunnel Engineer with 13 years of experience in underground design and construction. Starting his career in a boutique design consultancy for the mining industry, he now serves as a Technical Manager at Acciona, contributing to major tunnelling projects such as NorthConnex, WestConnex 3a, and Sydney [...]

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