Senior Associate, Wellington

Diana Thomas

Diana Thomas


Diana specialises in public law and advises government departments, Crown entities and private clients on a range of public, regulatory and commercial matters. 


Diana regularly advises clients on statutory decision-making, compliance with administrative law obligations and the legislative process.  She also advises clients on Privacy Act requests and preparing Privacy Impact Assessments.  


Diana has specialist expertise in the tertiary education sector and advises the Tertiary Education Commission on a range of legal issues. 


Prior to working at Buddle Findlay, Diana worked at the Takeovers Panel, where her work included inquiring into potential breaches of the Takeovers Code and determining pragmatic courses of action, and instructing and liaising with the Parliamentary Counsel Office to draft exemption notices.

Work highlights

Advising the Tertiary Education Commission

on the development and implementation of the Government's fees-free tertiary education initiative

Advising a Crown entity

on its processes and ensuring those processes are consistent with the relevant legislation

Leading a complaints process on behalf of a Crown entity

which involved drafting terms of reference, reviewing each complaint, determining whether an administrative or procedural error had occurred and drafting letters to complainants

Advising the Electricity Authority

on obligations under the Electricity Industry Participation Code 2010 (the Code) and drafting amendments to the Code to reflect new policy decisions

Preparing Privacy Impact Assessments for a Crown entity

in relation to various projects and databases

Advising the Energy, Efficiency and Conservation Authority

on their contracting and procurement processes

Alternate contacts

Tony Dellow

Consultant, Wellington

Tony specialises in competition law and regulatory processes, especially in infrastructure industries. Tony’s practice is unique…

  • DDI +64 4 498 7304
  • M +64 21 349 651


Susie Kilty

Partner, Wellington

Susie specialises in competition, fair trading, overseas investment consents and economic regulation, particularly of infrastructure in…

  • DDI +64 4 498 7356
  • M +64 21 792 134


Alastair Hercus

Partner, Wellington

Alastair specialises in public and commercial law. He advises clients on legislative design, decision-making by statutory bodies…

  • DDI +64 4 498 7318
  • M +64 21 449 993