Hannes Lagger trained as a Tunnel and Geotechnical Engineer and has over 25 years’ experience in heavy civil, geotechnical and tunnelling engineering. 

He has been involved in major international infrastructure projects across the globe ranging from major Metro projects, Highway Tunnels, High Speed Rail Tunnels, Hydropower Plants and Sewer Tunnels, with special focus on mined rock and soft ground tunnelling. Over his career, Hannes has predominately worked as a contractor designer developing large span underground caverns and spaces in soft ground and weak rock, using modern tunnel construction methods.