Jonathan Strimling (CleanFiber): 10 Key Things You Must Know
Overview
Jonathan Strimling is a seasoned entrepreneur known for his innovative ventures in the clean technology sector. As the founder and former CEO of CleanFiber, he has significantly impacted the building materials industry by developing sustainable insulation solutions derived from recycled cardboard. Strimling’s work in this sector has garnered significant attention, leading to him being awarded the 2024 Entrepreneur of the Year by the New Hampshire Tech Alliance. Let’s dive deeper into the fascinating journey and accomplishments of Jonathan Strimling in CleanFiber and beyond.
1. Early Life and Education
Jonathan Strimling obtained his Bachelor of Science degree in Mechanical Engineering from Northeastern University and later pursued dual master’s degrees in Engineering and Management from MIT, sponsored under the Leaders for Global Operations program. This educational background laid a strong foundation for his future entrepreneurial endeavors, emphasizing innovation and technology commercialization.
2. Entrepreneurial Beginnings
Before his involvement with CleanFiber, Strimling co-founded and led a series of startups focused on sustainable and clean technology. Notably, he launched WoodPellets.com, which grew rapidly as an online retailer of heating fuels. His role in revitalizing SMTP, a SaaS-based marketing technology, eventually led it to a $240 million acquisition by Constant Contact.
3. Founding CleanFiber
CleanFiber was founded by Strimling in 2013, drawing on insights from cellulose insulation installers who foresaw the limitations of newspaper supplies. Under his leadership, CleanFiber turned the challenge of dwindling newspaper resources into an opportunity by using recycled cardboard, thus pioneering a new path in eco-friendly building products.
4. Significant Achievements
Under Strimling's stewardship, CleanFiber secured over $125 million in capital, enabling the company to commercialize its innovative insulation products. The notable growth rate of 5,684% over three years positioned CleanFiber as America’s fastest-growing manufacturing firm, according to the Inc. 5000 list.
5. Funding Milestones
CleanFiber achieved remarkable financial milestones under Strimling's guidance. This includes a successful $28 million Series B funding round, augmented by a $31.5 million project financing facility. These funds were pivotal in scaling the company’s national operations and enhancing production capacity.
6. Industry Impact and Recognition
Jonathan Strimling’s impact on the insulation industry is profound, addressing a critical gap with his company’s products. CleanFiber’s success has influenced broader market trends, pushing traditional insulation materials towards more sustainable alternatives. In recognition of his contributions, he received the prestigious Entrepreneur of the Year award in 2024.
7. Leadership Transition at CleanFiber
In 2025, Strimling announced a leadership transition at CleanFiber, stepping down to join InventWood as President. This shift marks a new chapter for him while ensuring a smooth transition for CleanFiber under the new leadership of Eric Chapman and Sami Rahman.
8. Commitment to Sustainability
Strimling’s initiatives at CleanFiber went beyond commercial interests, focusing on sustainability and reducing carbon footprints. The company’s products help improve energy efficiency and are recognized as crucial components in green building practices.
9. Global and Domestic Collaborations
Throughout his career, Strimling fostered collaborations with research institutions and sustainability-focused organizations. CleanFiber’s joint efforts with entities like the University of Maine and programs sponsored by ARPA-E and NYSERDA highlight its commitment to innovative environmental solutions.
10. Personal Endeavors and Future Prospects
Jonathan’s passion extends into his personal life, where he actively promotes environmental sustainability and global democratic initiatives. As he takes on new roles, he remains committed to making impactful contributions to high-performing teams and innovative ventures.
Conclusion
Jonathan Strimling's journey through the startup ecosystem, particularly with CleanFiber, underscores the significant potential of innovative entrepreneurship in addressing environmental challenges. His leadership has exemplified how sustainability can align with market success, offering a blueprint for future green technology ventures. As Strimling transitions to new opportunities, his legacy at CleanFiber continues to inspire industry peers and aspiring entrepreneurs alike.