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22nd & 23rd April 2026 in Hamburg
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22nd & 23rd April 2026 in Hamburg Contact: info@constructionsummit.de or +49 40 537 99 1132

Alex Hirsch

Alex Hirsch

Alex Hirsch

cosy.green

As CEO and Co-Founder of cosy.green, Alexander Hirsch is revolutionising building energy efficiency through holistic heating optimisation. He brings 15 years of experience in software sales and partnerships along with expertise as a certified Energy Advisor. Having previously held strategic positions at JLL Technologies, Envio Systems, and Ericsson, Alexander now combines technical understanding with entrepreneurial vision to make real estate more sustainable and economically viable. ​ ​

Represented in the following tracks at the next Construction Summit:


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