Magrathea

Magrathea

San Francisco, CA, USA
23 employees
Mining & Metals
Series A · $34M

About Magrathea

Magrathea is a technology company developing a new generation of electrolytic processes to produce carbon-neutral magnesium metal from seawater and brines, serving defense and manufacturing customers. Founded in 2022, the company offers a mining-free alternative to traditional magnesium production and has emerged as the leading Western supplier rebuilding domestic supply security. Its customers include defense industry players, with the U.S. as its first commercial market.

Company details

Team Size23
LocationSan Francisco, CA, USA
IndustryMining & Metals

Funding

Total raised

$34M

Last stage

Series A

Investors

VoLo Earth Ventures
CCapricorn Investment Group
Valor Equity Partners
RResource Technology Capital
BBalerion Space Ventures

Founders

Alex Grant

Alex Grant

Chemical engineer by training; previously Principal at Jade Cove Partners. Founded Magrathea in 2022 to develop electrolytic technology for producing carbon-neutral magnesium from seawater and brines.

LinkedIn
JB

Jacob Brown

Chemical engineer by training with a professional background in batteries; previously worked at Alcoa in Perth, Australia. Co-founded Magrathea in 2022 alongside Alex Grant.

What happens next.

No applications, no recruiter spam. Just the intro.

01

Confirm the fit

A few questions to make sure this role is the right shape for you. Two minutes.

02

I pitch you to the company

I write the intro, send it to the founder, and handle the back-and-forth.

03

A meeting lands on your calendar

If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.