Cleantech Open
Cleantech Open's Overview
Cleantech Open is the world's largest and oldest cleantech accelerator, dedicated to finding, funding, and fostering entrepreneurs with innovative solutions to today's most urgent energy, environmental, and economic challenges. Since its founding in 2005, it has trained over 1,800 early-stage clean technology startup entrepreneurs through its annual accelerator and mentorship program. Alumni companies have collectively raised over $1.2 billion and created thousands of jobs. Cleantech Open provides startups with the resources, mentorship, and connections needed to launch and scale their ventures, contributing significantly to the growth of the green economy.
Where is Cleantech Open's Headquarters?
HQ Function
Serves as the central administrative and strategic hub for its national and global accelerator programs, coordinating efforts across various regions and international partners.
Notable Features:
Located within a dynamic innovation district in Los Angeles, facilitating access to a rich ecosystem of startups, investors, and technology partners. The HQ likely emphasizes collaborative workspaces to foster innovation.
Work Culture:
Mission-driven, collaborative, and entrepreneurial, focused on empowering cleantech innovators. The culture supports sustainability, innovation, and a fast-paced environment dedicated to global impact.
HQ Significance:
The headquarters acts as the nerve center for a vast network of volunteers, mentors, entrepreneurs, and corporate partners, driving the organization's mission to accelerate cleantech solutions worldwide.
Values Reflected in HQ: The HQ's operations and its role as a central connector embody Cleantech Open's core values of innovation, sustainability, collaboration, and entrepreneurial empowerment.
Location:
Cleantech Open operates extensively across the United States through its regional accelerator programs (Northeast, West, Midwest, Rockies, Southeast, etc.) and maintains a significant global presence via a network of international partner organizations in numerous countries. These partners run Cleantech Open programs tailored to their respective regions, supporting local cleantech entrepreneurs with mentorship, training, and access to a global network. This distributed structure allows Cleantech Open to foster innovation, share best practices, and facilitate cross-border collaborations to address global environmental challenges effectively.
Street Address:
830 Traction Ave, Ste 3A
City:
Los Angeles
State/Province:
CA
Country:
USA
Cleantech Open's Global Presence
Various Cities, Northeast USA (e.g., Boston, MA)
Address: Operates regionally through partner organizations like Greentown Labs and program locations; specific addresses vary by event and program cohort.
To foster cleantech innovation and support the growth of green economy businesses in the Northeastern United States, leveraging strong academic and venture capital networks.
Various Cities, Western USA (e.g., San Francisco Bay Area & Los Angeles, CA)
Address: Operates regionally through partner organizations like the Los Angeles Cleantech Incubator (LACI) and program locations; specific addresses vary by event and program cohort.
To accelerate the development and commercialization of cleantech solutions in the Western US, connecting innovators with significant resources, talent, and markets.
Various Cities, Midwest USA (e.g., Chicago, IL)
Address: Operates regionally through partner organizations like Evergreen Climate Innovations and program locations; specific addresses vary by event and program cohort.
To cultivate cleantech entrepreneurship in the American Midwest, addressing regional environmental challenges and promoting economic development through innovation.
International Partner Locations (e.g., Various countries across Europe, Asia, Latin America)
Address: Operates internationally through local partner organizations running Cleantech Open programs under license. Addresses are specific to each partner organization.
To build a global network of cleantech innovators and accelerate the deployment of clean technologies across diverse countries and markets by empowering local entrepreneurship.
Buying Intent Signals for Cleantech Open
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Executive Team of Cleantech Open
As of April 2025, Cleantech Open' leadership includes:
Investors of Cleantech Open
Cleantech Open has been backed by several prominent investors over the years, including:
Executive New Hires/Exits in the Last 12 Months
Cleantech Open's core national executive leadership team has maintained stability over the past year. The organization primarily relies on a consistent leadership structure for its national operations, with regional director roles being dynamic as programs evolve. No major changes at the top executive director level have been publicly announced.
Technology (Tech Stack) used by Cleantech Open
Discover the tools Cleantech Open uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Cleantech Open Email Formats and Examples
Cleantech Open typically uses professional email formats based on employee names. The most common formats utilize the first name, last name, or initials combined with their domain @cleantechopen.org.
[first].[last]@cleantechopen.org or [first_initial][last]@cleantechopen.org
Format
rex.northen@cleantechopen.org
Example
85%
Success rate
News and media
cleantechopen.org • February 21, 2024
Cleantech Open Kicks Off 2024 Program to Support Climate Tech Innovators
Cleantech Open has launched its 2024 accelerator program, now accepting applications from early-stage climate tech startups across the United States. The program provides comprehensive support including mentorship, business training, and access to an extensive network of investors and industry leaders to help entrepreneurs scale their impactful solutions....more
cleantechopen.org • October 26, 2023
Cleantech Open Announces U.S. National Winners and Runners-Up of the 2023 Accelerator
Cleantech Open has revealed the U.S. National Winners and Runners-Up from its 2023 cohort. The announcement was made during the Cleantech Open Global Forum, showcasing top innovators in clean technology from across the country. These startups are developing solutions in areas like renewable energy, sustainable agriculture, and circular economy....more
cleantech.org (Industry News) • January 10, 2024
Cleantech Open Finalists Present Bold Visions For A Sustainable Future (Reflecting on 2023)
A review highlighting the innovative solutions presented by finalists from Cleantech Open's 2023 program, underscoring the accelerator's role in nurturing technologies critical for decarbonization and environmental sustainability. The article emphasizes the diversity of ideas and the potential market impact of the participating startups....more
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