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Karen Tregaskis

Founding Partner

Contact Details

E: Karen Tregaskis Tel: 04 499 9363 Mobile: 027 487 9530

Key skills


  • Investment decision making and governance
  • Governance and delivery of major change
  • Improving operational performance
  • Strategy and business planning


Karen is the Founding Partner and Chair of the Board of Tregaskis Brown. Established in 2002. She has a proven ability to operate across organisational and business boundaries, and the commercial skills and experience necessary to operate a successful business with complete bottom-line accountability.

Karen is a sought-after advisor to executive teams on the governance and effective control of portfolios and major programmes of change.  She is valued by her clients for her ability to challenge their thinking and encourage fresh ways of looking at strategic issues.

Many have relied on Karen’s expertise to re-design corporate and change governance models, improve the quality of investment decision-making, governance and management, develop effective strategic and business plans and review under-performing areas of business.

Karen was one of New Zealand’s first accredited ILM (Investment Logic Mapping) Facilitators (2010) Her extensive experience means she is often asked to facilitate some of the more challenging investment discussions or those with very high-value requiring input from high-level executives.  

She is known for her pragmatism and commitment to finding solutions that are right for the client.

Recent Speaking Engagements

  • Corporate Career Board 2018 - Karen spoke on the fundamentals of Governance at this end of year event.
  • PMINZ Conference 2018 - Karen spoke on Getting Governance 'Cut through' - providing useful ideas that will help people to better engage their executives and governance groups to improve the success of their project, programme or portfolio.
  • IPANZ Conference 2018 - Karen led a masterclass on Cultivating Your Future Self: Identifying and developing your best strengths



Karen honoured at the 2018 Minister of Defence Awards of Excellence to Industry - View Video

Recent Experience

  • UK Cabinet Office  - Karen recently traveled to London to provide Investment Logic Management (ILM) support to the UK Cabinet office.  
  • Ministry of Defence - Karen is the Tregaskis Brown partner leading a major initiative to transform the way Defence invests in, and develops, new military capabilities.  This has involved a highly collaborative partnership approach with the NZ Defence Force and the Ministry.
  • Ministry of Foreign Affairs and Trade - Karen is leading Tregaskis Brown's partnership with APEC21 providing governance support, Business Case support, programme and project expertise for the Ministry
  • The Treasury - Led the consultation and design of a consolidated investment management and asset performance function.

Facilitates numerous ILM processes for major investments; clients include UK Cabinet Office, New Zealand Defence Force, Housing NZ Corporation, Ministry for Primary Industries and various local government agencies.

Has led a wide range of governance workshops with senior managers, including the Department of Internal Affairs, ACC, Ministry for Primary Industries, Ministry of Defence, NZ Police, Crown Law Office and Fire and Emergency NZ.


For general Enquiries

Tregaskis Brown


+64 4 499 9363

Office Location

Level 8, Berl House

108 The Terrace

Wellington 6011

New Zealand

Postal Address

PO Box 25 242

Wellington 6140

New Zealand