Corporate Board Profile
Tech Score: 0/100
| Filing Date | Source Excerpt |
|---|---|
| 2005-04-29 | Mr. Bartel holds an MBA in Finance and Accounting and a Ph.D. in Economics from the University of St. Gallen, Switzerland. |
| 2006-04-25 | Mr. Bartel holds an MBA in Finance and Accounting and a Ph.D. in Economics from the University of St. Gallen, Switzerland. |
| 2022-12-06 | Mr. Ralph Bartel’s brother, Mr. Holger Bartel, is the Global Chief Executive Officer of the Company and is affiliated with MTE as a member of its board of directors. |
Source material: SEC submissions metadata and DEF 14A proxy filings from EDGAR. Last updated: 2026-03-22