Joy Guo


Joy provides strategic commercial advice, with a focus on technology, intellectual property, cyber security, and data protection and privacy compliance, as well as general commercial advisory and contracts.

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Joining Duncan Cotterill with experience in management consulting, technology and commercial litigation, Joy’s experience includes advising on complex contractual issues, technology projects, and regulatory inquiries and investigations. With experience across the dispute resolution cycle – from advising on risk and mitigation, to settlement and trial – she is attuned to helping clients mitigate risk and contractual exposure.

Prior to law, Joy worked in Sydney with a leading management consultancy, Bain and Company, on strategic business issues across a range of industries, including financial services, insurance, telecommunications, utilities, logistics, health, professional services and retail/grocery.

With a unique mix of legal, management consulting and secondment experience, Joy brings a pragmatic and commercial approach to her client service.

Recent highlights

  • Acted for a leading technology services provider in a large, multi-year and high-value dispute involving the integration of technology systems (settlement prior to ten-week High Court trial).
  • Acted for a multi-national technology services client in a four-week High Court trial involving complex technical, contract and cross-border fair trading law issues.
  • Advised on a warranty and indemnity claim in relation to a $700M+ acquisition.
  • Provided recommendations to a large bank on risk and compliance issues, while on full-time secondment to support its Risk Governance team.

Joy's insights

From Christchurch to Aus: DC helps Evnex secure investment to fuel expansion and innovation

22 May 2024

Upcoming changes to sale of alcohol legislation are brewing

17 May 2024

Changes to the Geographical Indications (Wine and Spirits) Registration Act 2006 to commence 1 May 2024

30 April 2024

We're driven by our values

They drive our client relationships and connections with our community, and underpin our achievements.


  • Passionate about legal technology and legal innovation.
  • Manager at Westpac New Zealand on full-time secondment (2021).
  • Associate Consultant at Bain and Company, Sydney (2017 – 2019).

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