ADVENT TECHNOLOGIES HOLDINGS, INC.
Ownership & governance
Executives 5Directors 5Avg age 68Avg tenure 4.7y
GH
Gary Herman
Chief Executive Officer
Age 61Since 2024-10-23Profile →
+9
Executives5
GH
Gary Herman→
Chief Executive Officer
Age 61Since 2024-10-23
GP
George Paloumpis→
Chief Operating Officer
—Since 2024-10-31
KF
Konstantinos Ferderigos→
Chief Tech/Sci/R&D Officer
—Since 2023-12-31
EC
Emory de Castro→
Chief Tech/Sci/R&D Officer
Age 69Since 2012-12-31
JC
James Coffey→
Chief Operating Officer
Age 60Since 2020-02-29
Board of directors5
EC
Emory de Castro→
Director/Board Member
Age 69Since 2012-12-31
GH
Gary Herman→
Director/Board Member
Age 61Since 2024-08-29
SL
Seth M. Lukash→
Director/Board Member
Age 79Since 2024-11-03
RS
Robert Schwartz→
Director/Board Member
Age 81Since 2024-12-30
CA
Chris Antonopoulos→
Director/Board Member
Age 62Since 2026-01-07
Shareholders4
| Name | Stake | Shares |
|---|---|---|
| Vassilios Gregoriou | 5.602 % | 212,256 |
| Emory de Castro | 1.971 % | 74,686 |
| James Coffey | 0.6198 % | 23,483 |
| Abaris Investment Management AG | 0.2903 % | 10,999 |
Catalog · 2026-07-09
Registry officers10
| Name | Role | Since | Shares |
|---|---|---|---|
| Emory de Castro | Chief Tech/Sci/R&D Officer | 2012-12-31 | - |
| Gary Herman | Chief Executive Officer | 2024-10-23 | - |
| George Paloumpis | Chief Operating Officer | 2024-10-31 | - |
| James Coffey | Chief Operating Officer | 2020-02-29 | - |
| Konstantinos Ferderigos | Chief Tech/Sci/R&D Officer | 2023-12-31 | - |
| Chris Antonopoulos | Director/Board Member | 2026-01-07 | - |
| Emory de Castro | Director/Board Member | 2012-12-31 | - |
| Gary Herman | Director/Board Member | 2024-08-29 | - |
Registry · as of 2026-07-09
Institutional (13F)
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Fund membership
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Street consensus
Consensus none
Firm rows and rating mix from Yahoo Finance; mean target is Yahoo’s aggregate until OpenFilings derives consensus from broker rows.