# Jonathan Strimling

> Jonathan Strimling is an engineer and entrepreneur who co-founded and led CleanFiber, commercializing building insulation made from recycled cardboard. His career includes WoodPellets.com and the SMTP/SharpSpring turnaround. He left CleanFiber’s CEO role in February 2025 and joined InventWood that April; an October 2026 filing lists him as President and COO.

- **Role:** President and COO at InventWood
- **Organizations:** InventWood, CleanFiber, SMTP / SharpSpring, US Dynamics, WoodPellets.com, American Biomass, Biomass Thermal Energy Council, Alliance for Green Heat, New Hampshire Economic Strategy Commission
- **Education:** BS, Mechanical Engineering, Northeastern University, MS, Mechanical Engineering, Massachusetts Institute of Technology, Master’s degree in Management; Leaders for Global Operations program, MIT Sloan School of Management
- **Known for:** 2024 NH Tech Alliance Entrepreneur of the Year., Led CleanFiber during commercialization and its 2024 Inc. 5000 manufacturing-category first-place ranking., Led the SMTP turnaround and its route to Nasdaq; the business acquired SharpSpring and later took that name.

## Career timeline

- **2006-2011** — President and CEO of American Biomass; launched WoodPellets.com.
- **2012** — Recruited to help commercialize UltraCell’s insulation technology.
- **2013** — CleanFiber founded in Manchester, New Hampshire; became SMTP CEO in August.
- **2014** — Led SMTP during its SharpSpring acquisition.
- **2018** — Named inventor on published cellulose-insulation patent application US20180320367A1.
- **2024** — Named NH Tech Alliance Entrepreneur of the Year; CleanFiber ranked 48th overall and first in manufacturing on the Inc. 5000.
- **2025-02** — Stepped down as CleanFiber CEO; announced interim consulting support for the transition.
- **2025-04** — Appointed President of InventWood.
- **2026-10** — Listed as InventWood President and COO in its October 8 Form D.

## Achievements

- 2024 NH Tech Alliance Entrepreneur of the Year.
- Led CleanFiber during commercialization and its 2024 Inc. 5000 manufacturing-category first-place ranking.
- Led the SMTP turnaround and its route to Nasdaq; the business acquired SharpSpring and later took that name.
- Named inventor on the cellulose-insulation application US20180320367A1.

## Latest updates

- **2026-10** — InventWood’s October 8 Form D lists Jonathan Strimling as President and COO.
- **2026-02** — Represented InventWood at the February 5 CONNECTpreneur showcase at bwtech, UMBC.
- **2025-04** — Joined InventWood as President, responsible for commercial expansion.
- **2025-02** — Left CleanFiber’s CEO position, with an interim consulting transition announced.

## Links

- LinkedIn: https://www.linkedin.com/in/jonathanstrimling
- Twitter/X: https://x.com/Jon_Strimling

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Profile page: https://yespress.io/jonathan-strimling
Published by YesPress — https://yespress.io
Last updated: 2026-10-13