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Fast-pitch competition advancing the circular economy

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We are excited to announce the winner for Accelerate at Circularity 23!

Congratulations to Rebundle!


Accelerate at Circularity 23 Winner: Rebundle

Finalists: Azure Printed Homes, Inc., Rebundle, Fortuna Cools, Samsara Eco and Molg.

These 5 finalists pitched on the Circularity 23 main stage on June 6, followed by a moderated conversation with two industry experts:

1) Bridget Croke, Managing Director at Closed Loop Partners

2) Nasim Shomali, Sustainability Strategy Senior Manager at Accenture.

Learn more about Accelerate at Circularity 23 and the finalists below.

Accelerate at Circularity 23 is a fast-pitch competition featuring entrepreneurs with innovative technologies, products and services advancing a circular economy. Selected finalists pitch from the Circularity main stage to an audience of business, government and thought leaders.

Azure Printed Homes, Inc.

3D printing of homes with recycled polymers.

Fortuna Cools

Fortuna turns farm waste into insulation and textiles that seamlessly plug into the world's biggest material supply chains.

Samsara Eco

Samsara delivers climate repair through infinite recycling.


Enable circular manufacturing for electronics companies using design and robotics.


As the first U.S.-made plant-based hair extensions brand, we are revolutionizing hair extensions with more comfort and less waste.


Circularity Network during a virtual convening after Circularity. 


  • Expert feedback: Finalists will receive live feedback from industry experts, giving you exposure to investors, corporates and decision-makers with deep experience working with entrepreneurs.

  • Networking: Finalists will have the opportunity to connect with attendees during the in-person event.

  • Ongoing exposure: Beyond the live event, finalists will benefit from broad amplification via editorial coverage, and published videos of the pitches. Winner gets a feature on our Climate Tech Rundown newsletter. 

*Only US companies are eligible for funding from GreenBiz 

Eligibility Criteria


Successful nominations must be:

  • A startup developing a circular economy solution that increases resilience, mitigates climate risk, responds to shifting customer demand or unlocks new business opportunities across the value chain. 

  • At the Seed to Series A stage of funding.

  • At least one full-time employee.

  • Available to pitch in person on Circularity 23’s main stage taking place June 5 - 7.


February 27 - March 24: Entrepreneurs submit an application, including a 1-minute pitch video.

Early April: Finalists announced!

June 5 - 7: The pitch session will take place in Seattle, WA at Circularity 23.