He Tāngata


Upflow is a team of geothermal enthusiasts who are passionate about the industry and committed to delivering exceptional results for our clients.

We recognize that businesses face significant commercial pressures and deadlines, which is why we bring in talented consultants and partners with specialized skills to assemble the best possible team for your project.

As internationally recognized thought leaders in the field, we have earned a reputation for being tenacious and gritty problem solvers who get things done.

photo credit: ALLY MACFARLANE

Paul Siratovich

Director Of Science & Operations

Dr. Paul Siratovich is a an experienced geologist, in both research and commercial applications. Paul combines his science expertise & technical skill in large-scale geothermal operations, and it often called upon by geothermal around the world, for review of field management plans & strategies. Paul has an extensive publication record, is a Professor of Practice at the University of Canterbury (NZ) , the immediate past President of the New Zealand Geothermal Association as well as co-founder of Upflow.

Andy Blair

Director Of Business & Innovation

The nexus between science, business and community is where her expertise sits. Andy has experience in leading strategic planning and tactical thinking across several industries including governance roles that required strategic investment decision making. She has a deep understanding of the drivers relating to the business of science, and a proven ability to turn scientific ideas into economic gains. Andy is the immediate past President of the International Geothermal Association, co-founder of Women in Geothermal (WING) and co-founder of Upflow.

Andrew Marsh

Chief Engineer

A progressive leader for the geothermal industry, Andrew has advanced practice areas such as the optimisation of energy production, integrated modelling, asset and risk management and process safety. Andrew has led technical teams and functions across multiple disciplines for four operating geothermal fields, directed a $60M geothermal drilling campaign, and developed integrated modelling facilities for reservoirs, wells, power plant and financial domains. Andrew is a Chartered Engineer and a member of Engineering New Zealand.

Rebecca Lawson

Chemical Process Engineer

Rebecca’s skill set includes geothermal chemistry, process engineering, project management and well intervention engineering. She has a deep understanding of commercial operations and what is required for the successful delivery of science and engineering outcomes.

Andrew Mitchelmore

Project Manager

Andrew is dedicated to successfully implementing unique and complex engineering projects. He’s been involved in the geothermal industry for much of his career, starting out with mechanical steam-field design and progressing to the development of world-first minerals extraction technology. Andrew's true passion lies in the development and commercialization of novel processes and technologies. He’s applied his skills to projects in the geothermal, water, wastewater, and food and beverage industries.

Melissa Climo

Research Navigator

Melissa Climo is a research manager, with a deep understanding of the national funding system, and experience in grant writing, research contracting, and programme design and delivery. She is a science communicator, readily translating research and science for a wide range of audiences, and has a particular interest in the science-policy interface and seeing research results turned into solutions for real-life problems.

Aroha Campbell

Kaitiaki Advisor

Aroha Campbell has dedicated her professional life to achieving greater wellbeing outcomes for her people by being a driving force behind the successful realisation of the commercial geothermal aspirations of a large Māori Trust in Aotearoa New Zealand.

Aroha provides insight, support and advice for community and indigenous groups around the world looking to develop their own geothermal projects or wishing to collaborate with partners on geothermal developments.  Additionally, Aroha is able to navigate the diverse realities of indigenous groups in a culturally appropriate way supporting and advising clients with respect to cultural considerations and when engaging with stakeholders and communicating research/commercial outcomes/plans.

Ginny Akers

Executive Assistant

Ginny is a deft schedule wrangler that provides key administrative support to the Upflow Team. An experienced travel agent and masterful coordinator, Ginny pays a vital role in ensuring our clients are able to connect with the team.