{"href":"https://api.simplecast.com/oembed?url=https%3A%2F%2Fthe-selected-podcast.simplecast.com%2Fepisodes%2Fsarah-fleischer-JFO4VAQx","width":444,"version":"1.0","type":"rich","title":"Sarah Fleischer","thumbnail_width":300,"thumbnail_url":"https://image.simplecastcdn.com/images/27a07eb3-5b3b-4768-a966-8a4a36c0fc54/73d1babf-b8d0-4b43-baba-1ddbc68baa53/podcast_website_imgsquare_2.jpg","thumbnail_height":300,"provider_url":"https://simplecast.com","provider_name":"Simplecast","html":"<iframe src=\"https://player.simplecast.com/e3a251c8-40ac-4e64-9b8f-2065bd0dea12\" height=\"200\" width=\"100%\" title=\"Sarah Fleischer\" frameborder=\"0\" scrolling=\"no\"></iframe>","height":200,"description":"Sarah Fleischer, mechanical engineer and cofounder of ToZero, joins host Ben Costantini live at Slush 2025 in Helsinki. As the leader of Europe's first company to successfully supply customers with recycled lithium and graphite, Sarah shares how a casual pact on a space cafe napkin turned into a disruptive deep tech venture. She breaks down how her small team outpaced chemical giants by aggressively breaking their own chemistry, the looming geopolitical squeeze on critical raw materials, and the roadmap to bringing her industrial scaling \"Frankenstein\" to life in 2026."}