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More than a decade in various non-governmental and local government roles has given Kate excellent facilitation, communication, and negotiation skills which she applies to resolving tensions around the management of water. Kate is an excellent communicator of science and an experienced expert witness and independent hearing commissioner with a strong interest in Māori water values, resource management capacity, and education.

Kate’s career as a freshwater scientist began in 2004. She holds a Bachelor of Science (Honours) in Ecology and a Master of Applied Science (Honours) in Natural Resource Management from Massey University. Kate worked for Fish and Game New Zealand and as a senior scientist for Horizons Regional Council before joining The Catalyst Group in 2012. 

Kate is a mum of three who enjoys foraging, raising animals and growing stuff on her ‘micro farm’. 

Kate’s areas of expertise include:

  • Provision of expert evidence for applicants, submitters, and councils on water quality and aquatic biodiversity

  • Water quality policy and plan development

  • Working with tangata whenua to identify and integrate mātauranga Maori into freshwater plan processes

  • Facilitating freshwater engagement processes

  • Designing and undertaking water monitoring programmes and assessments of effects

  • Stream education and training to build community and hapū freshwater monitoring capacity

  • Experienced resource management hearing commissioner

  contact kate on:

p. 021 037 4362

e. kate@thecatalystgroup.co.nz

Greg Carlyon

Managing director

 practice leader - planning

 Dr Fleur Maseyk

Practice leader - conservation science

Kate McArthur

Practice Leader -


Dr Marie Doole

(nee Brown)

Practice leader - 


Peter Taylor

Practice leader -

Catchment ManagemenT

Charlie Hopkins

Principal Planner -

Resource Management


Office Manager

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