ABOUT THIS PODCAST 🔗
Unreasonable Stories is a podcast from Unreasonable Group featuring conversations with entrepreneurs, leaders, and builders working on some of the hardest problems of our time. Hosted by Daniel Epstein, founder of Unreasonable Group, each episode goes beyond the business to hear the real story of the person behind the work, from what drives them and how they got here, to what they've learned along the way.
Hosts:
Update frequency:
every 12 days
Average audio length:
63 minutes
Guest interviews
Has sponsors
English
United States
10 episodes
since March 19, 2026
episodic
LATEST EPISODE 🔗
Molly Morse is the CEO and co-founder of Mango Materials, a Bay Area company that turns methane into a biodegradable plastic alternative. Its material is grown by bacteria that eat methane and store a natural polymer, PHA, in their cell walls, which Mango harvests into pellets that behave like conv…
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PREVIOUS EPISODES 🔗
Patrick Walsh and Anish Thakkar are the co-founders of Sun King, the world's largest off-grid solar energy company. Over two decades they have brought solar power to more than 26 million homes across 46 countries, created work for more than 37,000 field agents, and extended over $1.7 billion i…
Dylan Taylor is the founder and CEO of Voyager Technologies, a space infrastructure company that went public in 2025. Voyager is building Starlab, a commercial successor to the International Space Station, and through its Nanoracks business is the largest commercial user of the ISS today, with more…
ZincFive is the world's leading nickel-zinc battery company. Its batteries cannot be forced into fire, are over 90 percent recyclable through a smelter-free chemical process, and deliver power in millisecond bursts that lithium cannot match on its own.
Nearly 2 gigawatts are deployed or under…
Fourth Partner Energy finances, builds, and operates renewable energy for India’s factories. Clients save 30 to 40% on their power bills and pay nothing upfront to switch. The company now serves over 400 clients across 23 states, has raised $475 million, and is building a gigawatt of clean energy a…
Heat is responsible for 40% of global emissions and more than half of all energy consumed on the planet. Most of it still comes from burning fossil fuels, and almost nobody is talking about decarbonizing it.
Christophe Williams co-founded Naked Energy to change that. Their solar collectors convert …
Lisa Dyson has a PhD from MIT in string theory. Her thesis covered rotating black holes, cosmology, and time travel. She is now the co-founder and CEO of Air Protein, a company that makes protein and other food ingredients from CO2, water, and energy.
The technology was originally developed by NASA…
Jane Chen co-founded Embrace Global as a student project at Stanford in 2007. She moved to India at 25 and spent four years working 12-to-15-hour days to bring a portable infant incubator to market. That technology — a sleeping-bag-like device that maintains 98 degrees for six hours on a 30-minute …
Seventy percent of marine infrastructure worldwide is concrete, and almost all of it is harming the ecosystems around it. Dr. Ido Sella has spent 14 years trying to change that.
His company, ECOncrete, tweaks the composition of concrete so that marine larvae — oysters, corals, barnacles — can actua…
Most cancers are caught too late, and Ryuichi Onose has spent the last seven years trying to change that.
His company, Craif, can detect 10 of the most common cancers from a urine sample, before symptoms, before scans can even see anything. Their accuracy for stage one pancreatic cancer sits at 93%…
Disclaimer: The podcast and artwork embedded on this page are from Unreasonable Group, which is the property of its owner and not affiliated with or endorsed by Listen Notes, Inc.
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