Theion’s Crystal Battery: Co-created with mother nature.
With superior performance and sustainability it’s the near future’s mobile battery: for smartphones and computers, for cars and airplanes.
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Theion will power all mobile applications

Theion Crystal Image
Delivery Image
Theion Crystal Image

The team behind Theion

We are a team of leading scientists, engineers and entrepreneurs formed around our founder Marek Slavik.
Dr. Ulrich Ehmes
Dr. Ulrich Ehmes
CEO
Our CEO has years of experience in the battery industry and in building high tech factories
 Marek Slavik
Marek Slavik
CSO / Co-Founder
One of the world's leading chemistry scientists and battery experts

Advisory Board

Dr. Gerhard Cromme
Dr. Gerhard Cromme
Chairman / Investor

Former Chairman of Siemens and ThyssenKrupp | Years of experience in the old and new economy

Lukasz Gadowski
Lukasz Gadowski
Investor / Team Global

Investor in cutting-edge technology and one of Europe's most successful entrepreneurs

Stine Rolstad Brenna
Stine Rolstad Brenna
Investor

Experienced leader both as member of the board and in executive roles (CFO/BD) | Focus on clean energy and impactful tech

Osman Dumbuya
Osman Dumbuya
Investor

Inventor of deep tech IT technologies and serial entrepreneur

Marek Slavik
Marek Slavik
CSO / Co-Founder

10 years experience in Lithium Sulfur Cell Design with tangible test results | Building the foundations of theion’s technology

Jante Locher
Jante Locher
Investor / Co-Founder

Representing the seed investment company JØB as theion’s founding partner | Knowing the roots can support healthy growth

News

Theion in the press

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Career

HEAD OF RESEARCH & DEVELOPMENT (F/M/D)
Berlin, Germany
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PLANNING & PROCESS ENGINEER CELL ASSEMBLY, FORMATION & AGING (F/M/D)
Berlin, Germany
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AUTOMATION ENGINEER (F/M/D)
Berlin, Germany
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PHOTONICS IRRADIATION EXPERT (F/M/D)
Berlin, Germany
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CHEMICAL-TECHNICAL ASSISTANT (F/M/D)
Berlin, Germany
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How you can get involved

Become our industrial partner/customer
Invest in us
Join the team
Write about us

Contact us

Johannes Eisele, Director Operations
+49 30 221829140
johannes@theion.de

Address

Theion GmbH
Fanny-Zobel-Strasse 11
12435 Berlin