
A technology salesman went to Bangladesh hoping to help. The trip led him from a refugee-camp documentary to a stubborn, practical bet: make plant-filled plastics work on the machines factories already own.

A college golfer sold straws door to door, quit banking after one month, lost an $8 million commitment, and kept building. Now PlantSwitch is trying to make the useful life of plastic match the life of the thing it serves.
Dr. Molly Morse is the CEO and co-founder of Mango Materials, a Vacaville, California-based startup that turns waste methane into biodegradable PHA biopolymers. Founding the company in 2010 on the back of her Stanford PhD research, Morse has spent over a decade building a circular bioeconomy solution that converts a potent greenhouse gas into a commercially viable plastic replacement — branded as YOPP pellets. She has won the Postcode Lottery Green Challenge (2012), the C3E Entrepreneurship Award (2018), and was selected as an Unreasonable Fellow in 2022.