About

About Magrathea

Magrathea is a technology company that has pioneered a next-generation electrolytic process technology for producing primary magnesium metal from seawater and brines. We are the category leader in revolutionizing Western magnesium supply for the United States and its allies.

Company Overview

Magrathea was founded in California on the belief that domestic magnesium production could be made commercially viable through improved process technology. Since then, the company has built a capital stack nearing $100M across venture capital, U.S. Government investment, and commercial partnerships.

Team

Alex Grant

CEO

Alex is CEO at Magrathea where he is leading a team developing a new generation of electrolytic technology for making carbon neutral light metal from seawater and brines. He is a leader in decarbonization of mining, minerals, and metals, and a former Forbes 30 Under 30 in Energy. Alex built Tesla’s first embodied carbon emission model for their lithium-ion battery mining supply chain published in the automaker’s 2022 impact report. Alex has a MS in Chemical Engineering from Northwestern University and BEng from McGill University in Chemical Engineering and Philosophy.

Jason Rosalli

CTO

Scaled a novel chemical process from 50 mL to 25,000 tonne/year for a Chevron-funded green hydrocarbon project.