#30 One Earth Designs, Guro Grytli Seim

“The most common thing our customers tell us is; Wow, I didn’t know the sun was so powerful.”


Guro is the co-founder and COO of One Earth Designs. She was awarded the Norwegian Government's Green Tech Award 2014​, Venture Cup 2014 and Norway's Energy Star 2015. Guro holds a master degree within Material Science Engineering and Entrepreneurship from the Norwegian University of Science and Technology. She has lived and worked in the US, Colombia, Costa Rica, Germany and the UK. In Colombia Guro led the development of a banking system for 550,000 coffee farmers. Prior to One Earth Designs she gained deep experience within the solar energy sector, both as the former CEO of Morpho Solar and as a process engineer at REC Solar. Guro has focused on getting experience with solar and social impact ventures, both of which she now leverages in her position at One Earth Designs.


Since 2013, One Earth Designs has been setting a new standard for clean energy and global business as one of the top ranked responsible businesses on B Corp’s Best for the World List. They developed SolSource as a solution for cooking and saving fuel while working with nomads in the Himalayas. Today, the solar-powered stoves are used by customers in over 60 countries. Their flagship product, SolSource, heats up five times faster than a charcoal grill, delivers a whopping 1,000 watts of power and harnesses sunlight seven times more efficiently than an average photovoltaic solar panel. Since releasing SolSource in 2013, the portfolio of international patents have grown, and this includes numerous advancements in solar thermal capture and storage technologies.


Guro Grytli Seim

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