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
Funding
Total raised
$34M
Last stage
Series A
Investors
Founders
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.
LinkedInJacob 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.
Confirm the fit
A few questions to make sure this role is the right shape for you. Two minutes.
I pitch you to the company
I write the intro, send it to the founder, and handle the back-and-forth.
A meeting lands on your calendar
If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.
