# Mast Reforestation

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/mast-reforestation

- Industry: Environmental Services
- Headquarters: Seattle, US
- Website: www.mastreforest.com
- Total disclosed funding: $61M
- Latest round: Series B (Feb 11, 2025)
- Investors on record: 19

## About

Mast Reforestation, based in Seattle, US, specializes in innovative reforestation solutions aimed at restoring ecosystems impacted by wildfires, focusing on carbon removal and sustainable forestry practices.Founded in 2015 in Seattle, Mast Reforestation is dedicated to restoring ecosystems affected by wildfires. The company has executed a total of seven deals and recently closed a Series B funding round in February 2025, raising USD 25.00 mn. The team is led by CEO Grant Canary, with co-founders Ben Reilly and Grant Canary also contributing to the strategic direction of the firm. No significant pivots or mergers have been noted in its operational history.Mast specializes in innovative reforestation solutions aimed at restoring ecosystems significantly impacted by wildfires across the Western United States. The company's core offerings include the development of carbon removal credits through biomass burial and comprehensive reforestation services that encompass seed collection, propagation, and planting of over 30 million seedlings annually. By leveraging its two nurseries, Cal Forest Nurseries and Silvaseed, Mast operates the largest seed bank in the region, which serves both ecological recovery and corporate sustainability goals. The company's services target landowners, consulting foresters, and corporations seeking to offset carbon emissions while contributing to long-term forest regeneration, particularly in ecologically challenged areas post-high severity wildfires throughout the western U.S.Mast generates revenue primarily through partnerships with corporations and landowners looking to fulfill carbon removal goals and invest in reforestation initiatives. The transaction structure typically involves the sale of carbon removal credits, which are generated through the company’s biomass burial practices and reforestation projects. Customers engage with Mast through direct business-to-business transactions, where they may enter into agreements for bulk carbon credits or collaborate on reforestation projects tailored to specific ecological needs.In February 2025, Mast Reforestation raised USD 25.00 mn in Series B funding co-led by new investor Pulse Fund and returning investor Social Capital, with participation from several additional investors. The company plans to utilize the recent funding to enhance and expand its burial mass operations. Mast also aims to launch new products designed to further support carbon removal initiatives and is exploring expansion into additional geographic markets that have experienced severe wildfire damage, although specific regions have not been disclosed.

## Funding rounds

- Series B, Feb 11, 2025, $25M — Social Capital, Drone.VC, Gaingels, Elemental Impact, Spero Ventures, Asymmetry Ventures, 776, Thistledown Capital, Massive, Resilience Reserve, Climate Avengers, Climate Capital, Pulse Fund
- Series A, Sep 29, 2021, $36M — DBL Partners, Social Capital, Harvard Business School Alumni Angels, Drone.VC, Flight Ventures, Gaingels, Spero Ventures, 10X Capital, 776, Time Ventures, Massive, Awesome People Ventures, Resilience Reserve

## Investors

- DBL Partners (https://capitalatlas.ai/funds/dbl-partners) — Series A
- Social Capital (https://capitalatlas.ai/funds/social-capital) — Series A, Series B
- Harvard Business School Alumni Angels — Series A
- Drone.VC (https://capitalatlas.ai/funds/drone-vc) — Series A, Series B
- Flight Ventures (https://capitalatlas.ai/funds/flight-ventures) — Series A
- Gaingels (https://capitalatlas.ai/funds/gaingels) — Series A, Series B
- Spero Ventures (https://capitalatlas.ai/funds/spero-ventures) — Series A, Series B
- 10X Capital (https://capitalatlas.ai/funds/10x-capital) — Series A
- 776 (https://capitalatlas.ai/funds/776) — Series A, Series B
- Time Ventures (https://capitalatlas.ai/funds/time-ventures) — Series A
- Massive (https://capitalatlas.ai/funds/massive) — Series A, Series B
- Awesome People Ventures (https://capitalatlas.ai/funds/awesome-people-ventures) — Series A
- Resilience Reserve (https://capitalatlas.ai/funds/resilience-reserve) — Series A, Series B
- Elemental Impact (https://capitalatlas.ai/funds/elemental-impact) — Series B
- Asymmetry Ventures (https://capitalatlas.ai/funds/asymmetry-ventures) — Series B
- Thistledown Capital (https://capitalatlas.ai/funds/thistledown-capital) — Series B
- Climate Avengers (https://capitalatlas.ai/funds/climate-avengers) — Series B
- Climate Capital (https://capitalatlas.ai/funds/climate-capital) — Series B
- Pulse Fund (https://capitalatlas.ai/funds/pulse-fund) — Series B