Kolbrún Ragna Ragnarsdóttir received her Master diploma from the Faculty of Mechanical Engineering from the University of Iceland in the field of geothermal corrosion in 2013. In 2013 to 2019, Kolbrún worked for Innovation Center of Iceland as a project manager in the department of Materials, Biotechnology and Energy where she specialized in corrosion phenomena and geothermal energy, including borehole technologies for deep geothermal wells such as IDDP. Her projects included large European collaboration projects between industry and academia where she was team lead and researcher for multiple partners in Iceland. In 2014 she was co-founded a company that received seed funding from Startup Energy Reykjavik, which is an accelerator program for startups that operate within the energy sector. Kolbrún is a committee member of the Renewable Energy Cluster which consists of a wide range of members from companies, associations and institutions. She is also a board member of the Women in Energy group that supports equality in the energy sector in Iceland.