Pells Sullivan Meynink

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Derek Anderson

Principal Geotechnical Engineer


Principal Geotechnical Engineer at PSM, Derek Anderson has over 25 years’ experience in the design and safety assessment of water, construction and monitoring of works for embankment dams. He has worked across a wide range of geotechnical and civil engineering projects in Australia, New Zealand, Africa and Southeast Asia.

Derek has worked extensively in major civil and tunnelling projects. Prominent projects include lead design for driven tunnels for the WestConnex road and Northwest Rail Link, including close liaison with the client during the construction phase. He was also involved in the Chatswood to Epping rail tunnels, and the Eastern Distributor project in Sydney.

Derek has been involved with projects covering areas such as the design and construction of water, sediment and tailings dam embankments, river and creek diversions. He also has expertise in the design of capping earthworks and remediation of soft tailings deposits, the design and construction of geosynthetic lined and covered hazardous waste and fluid storage facilities.

Other special interests

Derek has a particular interest in working diverse range of projects and technical problems from design development to implementation in the field and works completion.


Derek has co-authored several papers published in journals and presented at professional conferences in his fields of expertise.


Derek specialises in geotechnical studies for mine infrastructure works as well as small and large-scale civil projects including:

  • Geotechnical engineering for structural foundations and excavation support
  • Tunnel design and construction
  • Dam design, construction supervision, safety and risk management
  • Monitoring and instrumentation
  • Geotechnical risk assessment
  • Geotechnical and risk assessment of slope instabilities.