Tamarack Global
Venture capital firm; participated in Isembard's $50M Series A (March 2026).
Tamarack Global is a venture capital firm founded in 2018 by John McCormick and Jamie Lee, investing across strategic hard-tech sectors: defense tech and national security, energy dominance, AI and the physical world, advanced manufacturing, and the space economy. The firm backs early-to-growth-stage deep-tech companies including Figure, Impulse Space, Archer Aviation, Chaos Industries, Venus Aerospace, and Isembard.
Overview
- Firm
- Tamarack Global
- Headquarters
- Greenwich, CT
- Founded
- 2018
- AUM
- >$211M (following an October 2024 $72M 'Opportunities II' fund close)
- Stages
- Seed, Series A, Series B
- Thesis
- Investing across strategic hard-tech sectors — defense tech and national security, energy dominance, AI and the physical world, advanced manufacturing, and the space economy.
- Website
- www.tamarackglobal.com/
Portfolio companies2
Partners0
No linked records yet.
Frequently asked
- What is Tamarack Global?
- Investing across strategic hard-tech sectors — defense tech and national security, energy dominance, AI and the physical world, advanced manufacturing, and the space economy.
- How much does Tamarack Global manage?
- Tamarack Global manages >$211M (following an October 2024 $72M 'Opportunities II' fund close) in assets, and was founded in 2018.
- What stages does Tamarack Global invest at?
- Tamarack Global invests at Seed, Series A, Series B.
Tags
Sources & citations2
Each claim links to its underlying source. Confidence reflects how directly the source supports the claim.
- 1
Tamarack Global's sector thesis and team (John McCormick, Jamie Lee, Shuo Cheng, Rob Eloff)
Tamarack Global: Tamarack Global — homepage and teamVerified2026-08-08 - 2
Tamarack Global participated in Isembard's $50M Series A (new investor)
Nordic9: Isembard raised $50m Series A funding led by USV, joined by Tamarack Global, IQ Capital, Notion Capital, CIV and angel investorsVerified2026-03-01