# Zack Bloom

> Zack Bloom is a co-founder of Heirloom Carbon Technologies, the company behind America's first commercial direct air capture facility in Tracy, California. A software engineer turned climate entrepreneur, Bloom previously co-founded Eager - a cloud app marketplace acquired by Cloudflare in 2016 - and served as Director of Product at Cloudflare overseeing Workers, Storage, and Tunnel. In 2020, he pivoted from internet infrastructure to atmospheric infrastructure, co-founding Heirloom alongside Shashank Samala and Noah McQueen. The company has since raised over $354M in total funding, opened its first facility, and secured contracts with Microsoft, Stripe, Shopify, Meta, and JPMorgan.

- **Role:** Co-Founder at Heirloom Carbon Technologies
- **Organizations:** Heirloom Carbon Technologies, Cloudflare, Eager, HubSpot
- **From:** West Bloomfield, Michigan, United States
- **Nationality:** American
- **Education:** Bachelor of Science, Computer Science, Lawrence Technological University
- **Known for:** Co-founded Heirloom Carbon Technologies, which opened America's first commercial direct air capture facility in November 2023, Co-founded Eager (2014), which earned 60,000+ GitHub stars and was acquired by Cloudflare in December 2016, Led Engineering Manager role for the launch of Cloudflare Workers, a major serverless computing platform

## Career timeline

- **2008-2011** — Studied Computer Science at Lawrence Technological University, West Bloomfield, Michigan
- **2012** — Joined HubSpot as Engineer; worked on Contacts UI and dynamic list functionality
- **2014** — Co-founded Eager with Adam Schwartz - a cloud app marketplace allowing drag-and-drop plugin installation without coding
- **2016** — Eager acquired by Cloudflare in December; Bloom and team join Cloudflare to build Cloudflare Apps platform
- **2016-2018** — Engineering Manager at Cloudflare, oversaw launch of Cloudflare Workers serverless platform
- **2018-2020** — Director of Product at Cloudflare, responsible for Workers, Storage, Tunnel, and other new products
- **2019** — Spoke at O'Reilly Velocity Conference Berlin on isolating computing within serverless environments
- **2020** — Co-founded Heirloom Carbon Technologies with Shashank Samala and Noah McQueen in September
- **2022** — Heirloom raises Series A; signs landmark carbon removal deal with Microsoft
- **2023** — Heirloom unveils America's first commercial Direct Air Capture facility in Tracy, California (November)
- **2024** — Heirloom raises $150M Series B co-led by Future Positive and Lowercarbon Capital (December)
- **2025** — Heirloom announces two Louisiana DAC facilities with 320,000-ton combined annual capacity; reaches $63.8M revenue
- **2025-12** — Heirloom raises additional funding, bringing total to over $354M

## Achievements

- Co-founded Heirloom Carbon Technologies, which opened America's first commercial direct air capture facility in November 2023
- Co-founded Eager (2014), which earned 60,000+ GitHub stars and was acquired by Cloudflare in December 2016
- Led Engineering Manager role for the launch of Cloudflare Workers, a major serverless computing platform
- Served as Director of Product at Cloudflare for Workers, Storage, and Tunnel products
- Helped Heirloom raise over $354M in total funding from investors including Lowercarbon Capital, Breakthrough Energy Ventures, and Future Positive
- Secured major carbon removal contracts with Microsoft, Stripe, Shopify, Meta, JPMorgan, McKinsey, and H&M
- Helped launch Louisiana DAC facilities targeting 320,000 tons of annual CO2 removal capacity

## Latest updates

- **2025-12** — Heirloom closes additional funding, bringing total raised to over $354M
- **2025-01** — Heirloom announces two Louisiana DAC facilities with combined 320,000-ton annual capacity targeting 2026 launch
- **2024-12** — Heirloom raises $150M Series B co-led by Future Positive and Lowercarbon Capital
- **2023-11** — Heirloom unveils America's first commercial Direct Air Capture facility in Tracy, California
- **2022-08** — Heirloom sells carbon removal credits to Microsoft, building on Series A investment

## Links

- Website: https://heirloomcarbon.com
- LinkedIn: http://www.linkedin.com/in/zackbloom
- Twitter/X: https://twitter.com/zackbloom

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Profile page: https://yespress.io/zack-bloom
Published by YesPress — https://yespress.io
Last updated: 2026-05-20