Can Microbes Replace $100B of Fertilizer? | Switch Bioworks

Nitrogen fertilizer feeds billions of people. But producing it consumes staggering amounts of energy. Switch Bioworks is engineering microbes that could replace industrial fertilizer with biological alternatives at a fraction of the cost.Company bio:Switch Bioworks is a biofertilizer company engineering programmable microbes that colonize plant roots and then switch from growth to producing ammonia, giving crops access to nitrogen without relying entirely on conventional fertilizer. Initially targeting the roughly 100 million acres of U.S. corn, Switch has raised nearly $24 million in venture capital plus roughly $5 million in grants and is developing technology that could eventually extend to phosphorus and other biological applications.Guest bio:Tim Schnabel is the founder and CEO of Switch Bioworks, which grew out of his Stanford PhD research into genetically engineering plant-root microbes to produce fertilizer. A scientist-turned-entrepreneur and lifelong plant obsessive, Tim has spent roughly a decade working on biological alternatives to the century-old Haber-Bosch process while learning how to translate deep science into a venture-scale business.Seven things you’ll learn in this episodeHow engineered microbes can replace conventional nitrogen fertilizer by turning plant roots into miniature fertilizer factories.Why Switch’s microbes must grow first and produce ammonia second, and how a genetic switch makes that possible.How a few grams of microbes could replace tens of pounds of fertilizer, potentially driving production costs toward $1 per acre at scale.Why winning over risk-conscious farmers requires multiple seasons of field data and proof from neighboring farms, not just better science.How deep-tech founders navigate the catch-22 of needing commercial traction to fund R&D before the technology is fully proven.Why Switch’s programmable biology could eventually move beyond nitrogen to unlock phosphorus already trapped in agricultural soils.Why Tim believes “ferocious networking,” no-regrets decisions, and mindfulness are essential tools for surviving the long journey from scientist to CEO. -- Are you a VC- or PE-backed CEO building in energy, infrastructure, or climate tech?Join 45 CEOs and 45 investors and post-exit founders who help each other make better decisions on capital, strategy, scaling, and leadership.See if the CEO community is a fit → entrepreneursforimpact.com Get smarter on energy, infrastructure, and climate tech in 2 minutes.Join 40,000+ professionals getting practical insights on startups, investing, commercialization, strategy, and leadership.Get the free newsletter → entrepreneursforimpact.substack.com Help more people find this podcast.If this episode was useful, take 20 seconds to follow the show or leave a rating on Apple Podcasts or Spotify. It helps bring these conversations to more entrepreneurs, investors, and executives.