Cubic Earth



An independent consultant to the geothermal industry, regulators, and research institutions who is interested in supporting the successful and sustainable development of geothermal resources.

Specialises in structural geology and geomechanics for high-temperature geothermal reservoirs, conceptual model development and well targeting, and the geoscience components of drilling and testing programs.


An experienced facilitator and ghostwriter for interdisciplinary technical teams who converts information and recommendations into effective technical, business or stakeholder communication.

Currently undertaking applied research at the University of Auckland into the causal links between geology and hydrothermal fluid flow at the district, reservoir and wellbore scale. 


I'm a science professional and technical writer with a diverse background and over a decade of experience in high-temperature geothermal resources. While I value deep technical expertise, I believe that connecting people with ideas is also a fundamental part of effective problem-solving. When working with technical teams, I seek to enable clear communication, facilitate interdisciplinary collaboration, and to empower others. These are pillars that support social, environmental, and economic sustainability in natural resource development.


Sustainability matters, for the resources and us. 

My desire to have a measurable positive impact on international renewable energy development grew while working as a field geologist in remote locations like the Western US, Antarctic Dry Valleys, the Altiplano of northern Chile, and inland Australia. I took the background image on this webpage in Victoria Valley, Antarctica. Sensitive environments like these are disproportionately impacted by human-induced climate change. The Victoria Valley hosts a permafrosted dune-field of global significance and several glaciers whose size has reduced dramatically in recent years. As a geologist who studies changes on Earth over millennia, I'm finding it unnerving to watch our environment shift so rapidly in my lifetime.  

Irene Wallis

Consulting geoscientist




+64 27 441 2194