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Index/Startups & Founders/GSD Venture Studios Podcasts by Gary Fowler
GSD Venture Studios Podcasts by Gary Fowler artwork

The Solar Marathon: Why True Circularity Takes Time and How to Scale It with Dr. Jan-Philipp Mai

GSD Venture Studios Podcasts by Gary Fowler · 2026-07-01 · 19 min

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Episode notes

Join Dr. Jan-Philipp Mai, Co-Founder and CEO of SOLAR MATERIALS, for an unvarnished masterclass on the operational patience and physical infrastructure required to survive the clean-tech marathon. Entering the solar (PV) sector in 2010 when Germany was the undisputed global powerhouse, Jan-Philipp watched first-hand as shifting market currents moved the entire manufacturing monopoly to China. Instead of leaving the field, he deepened his focus - evolving his execution across the entire lifecycle from primary silicon synthesis to dedicated raw material recovery. In this episode, we unpack how Jan-Philipp co-founded and controls three distinct corporate pillars (Better Sol, SOLAR MATERIALS, and Circular Silicon) to secure the European solar value chain, and why scaling deep-tech hardware across Europe demands an entirely different playbook than Silicon Valley software. Insights You’ll Learn: The Cleantech Macro Timeline: Why green-tech infrastructure operates on a multi-year "marathon with several sprints" rather than the instantaneous scaling timelines of traditional SaaS.

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