Mr Mark Feetham > Thomson Geer > Sydney, Australia > Lawyer Profile

Thomson Geer
Level 14, 60 Martin Place

Work Department

Information Technology & Telecommunications




Mark has more than 30 years’ experience practising in the areas of technology, telecommunications and outsourcing.

Mark has extensive experience advising on complex IT and telecommunications projects.  His experience extends to network deployments, smart grids, IoT, cyber security, SaaS and competition issues in the telco sector. Mark also advises clients involved in complex procurements, particularly in the defence sector.

Mark assists leading technology suppliers, including international and domestic telecommunications companies and international IT companies as well as technology users including stock exchanges, financial institutions and government agencies.


  • Communications and Media Law Association
  • Communications Alliance
  • New South Wales Society for Computers and the Law
  • Australian Institute of Energy


  • Bachelor of Laws, University of Sydney
  • Bachelor of Economics, University of Sydney
  • Admitted to High Court of Australia and Supreme Court of New South Wales

Lawyer Rankings

Australia > IT and telecoms

Thomson Geer has significant experience acting on high-profile defence and government projects and procurements. Additionally, the team acts for utilities and suppliers selling to utilities, major international IT suppliers, large Australia-based technology customers and telcos. Mark Feetham is head of the group in Sydney, with substantial experience advising on IT and telecoms projects, as well as complex procurements in the defence sector. Demetrios Christou is based in Adelaide and advises on contractual arrangements, whilst Andrew Chalet, who joined the team in Melbourne from Russell Kennedy in October 2020, has expertise in technology transactions.