![Ronald Birkhoff](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Ronald Birkhoff served as CEO, Chief Financial Officer & Secretary at Calera Corp.
Mr. Birkhoff graduated from the University of Twente.
| Unternehmen | Position | Ende |
|---|---|---|
Calera Corp.
 Calera Corp. Construction MaterialsNon-Energy Minerals Converts carbon dioxide into minerals or other usable materials | Vorstandsvorsitzender | - |
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Börsennotierte Unternehmen
Private Unternehmen
| Private Unternehmen | 2 |
|---|---|
University of Twente
 University of Twente Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Calera Corp.
Calera Corp. Construction MaterialsNon-Energy Minerals Converts carbon dioxide into minerals or other usable materials | Non-Energy Minerals |
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