Clean Tech Trends for Environmental and Economic Impact

Whether you’re an Entrepreneur with a cleantech solution and no idea of how to start a business, a Mentor looking for opportunities, or an Investor who wants to make an impact, this event is for you.

Entrepreneurs – Cleantech Open is the world’s largest and longest-lived business accelerator for clean technology startups. Applications for the 2026 cohort are open now.

We will share information about Cleantech Open's (CTO) upcoming 2026 Accelerator Program! At CTO we are the world's oldest and largest Clean Technology Startup Accelerator. We've had ~2,100 early stage startups successfully graduate our program since 2006. This time of year, we're looking for ambitious and innovative entrepreneurs that are trying to solve some of the world's greatest problems who are looking to grow their business to the next level using our proven curriculum.

Mentors - Cleantech Open offers exceptional opportunities to make a difference for a startup Entrepreneur who needs your expertise in areas outside their technical expertise.

Investors – Cleantech Open Alumni have solutions for the greatest environmental and energy challenges. Clean tech entrepreneurs have environmental and economic impact!

We are also always looking to expand our mentor and other volunteer participation.

We'll have some light food available as well!

NOTE - About $10 Quality Assurance RSVP fee: All CTO Events have a $10 Quality Assurance RSVP fee to discourage no-shows and encourage maximum engagement. If cost is an issue, please contact Yuet Lee at [email protected] and we can work something out.

Cleantech Open

Cleantech Open is a global accelerator for early-stage clean technology startups. We run an annual six-month program to connect startups with incredible people, resources, and visibility to help them succeed. Cleantech Open National is a program of Community Partners, a 501(c)3 non-profit.

Insperity is sponsoring this event and is excited to be a resource and partner for CTO for startups going through the program. They provide support with people operations as organizations grow and scale including compliance, risk mitigation, liability, benefits, and payroll assistance through their technology and dedicated service team.

Coffee Break – Hosted by Insperity and the Executive Inn & Suites

Know what’s Happening Next — before everyone else does.

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Host or Publisher Cleantech Open