The Founder Tapes with Gal Krohn

Small Country, Big Technologies: A Chat With Jerusalem-Based Yisrael Kroizer - A True Innovator In The World Of Solar Energy


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On today’s show (recorded at my guest’s own home in Jerusalem) I’m chatting with Israel (aka “Yisrael”) Kroizer, the Co-Founder and CTO of SolarGik - a company he founded in 2021 with a team of long-time solar energy veterans, including his son. 


It is hard to overstate the importance of Yisrael Kroizer in the world of solar energy. In 1980, and at the age of only 27, he was appointed Chief Engineer of the Israeli company Luz, which built the world's first solar power plant in California and proved that it was technically and economically possible. At the age of 34, he was CEO of the company, which employed 500 people in Israel. 


In 1991 Luz went bankrupt, according to Kroizer, "because the solar energy market disappeared." Indeed, at that time oil prices in the world dropped and solar energy production became unprofitable. "I fired 400 people from Luz in Israel, but they all remained my friends and they were all ready to come back when we started over with BrightSource.” 


After Luz, when solar technology turned from a means of producing relatively cheap electricity to a way to save the world, he led one of the main technologies that competed for its production - the solar towers. He did this through Brightsource Industries Israel - a company he founded and served as President of from 2006 to 2021. 


Today, the SolarGik company he founded with his son is engaged in the development and refinement of photovoltaic technology - which tracks sunlight and converts it directly into electricity. 


This episode is brought to you from Jerusalem - one of my favourite cities! Thank you for listening. 


Some other key topics discussed in this episode: 


  • Living in Jerusalem as a businessperson  
  • What solar technology is and isn’t 
  • Firing 400 people as the CEO of a bankrupt company 
  • Why Israel is often dubbed the “Startup Nation” 
  • How to put family before career 


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Find Yisrael Kroizer on LinkedIn 



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The Founder Tapes with Gal KrohnBy Gal Krohn