David Deak in

David Deak

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Advisor at EnergySource Minerals
📍 Los Gatos, California, United States

David Deak is the President of Marbex LLC and Chief of Strategy at EnergySource Minerals, focusing on the intersection of mining, energy, and technology. With a DPhil from the University of Oxford and past experience at Tesla, he is an expert in battery materials. Colleagues describe him as intelligent with a great work ethic.

His professional focus is centered on sustainable and low-footprint resource development, particularly in battery and rare earth material supply chains. He actively promotes initiatives that leverage technology to reduce environmental impact and costs in the energy sector, as shown in his public commentary and company missions.

Unique fact: David holds board seats at multiple innovative energy and materials companies, including Addionics, Novalith Technologies, and Black Swan Graphene, and is Chairman of Maple Materials.

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Experience
23 Years
Current Role
Advisor
Location
Los Gatos, California, United States
Personality Overview

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Communication Style
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Priorities

Topics David cares about

Sustainable Lithium
As Chief of Strategy at EnergySource Minerals, he is advancing what they call the "world's most sustainable lithium production platform" using innovative extraction technology.
Battery Supply Chains
His advisory firm, Marbex LLC, and his previous work at Tesla are focused on the supply chains for critical battery materials like lithium, graphite, and cobalt.
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Career

Work history

9-2025
Advisor
EnergySource Minerals
9-2025
Advisor
ILiAD Technologies
5-2023
Chairman
Maple Materials
1-2023 - 9-2025
Chief of Strategy
EnergySource Minerals
2023 - 9-2025
Chief of Strategy
ILiAD Technologies
In the press

Media appearances

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Education
DPhil
University of Oxford
BASc
University of Toronto
Social presence
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Behavioral profile

DISC profile (public)

DISC behavioral profile

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