Dr. Jonathon (JC) Clearwater is a geothermal reservoir engineer who, as co-director of Flow State Solutions Ltd, provides reservoir simulation services and software to the geothermal industry with a focus on creating models that enable better management of geothermal resources. During over 10 years’ experience in the geothermal industry, he has worked on projects in New Zealand, Indonesia, the Philippines and Chile. In addition to reservoir simulation, JC has expertise in well testing, wellbore modelling, well stimulation, pressure transient analysis, financial modelling, and resource assessment. As co-developer of the Volsung Geothermal Simulation software system, JC has supported education in reservoir simulation and resource conceptual models, including providing simulations supporting the volcano-hosted and the deep circulation modules of the Geothermal Resource Decision Workshops.