![Mark Duff](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>)
Mark Duff
Vorstandsvorsitzender bei
PERMA-FIX ENVIRONMENTAL SERVICES, INC.
Vermögen: 1 Mio $ am 31.05.2026
Profil
Mr. Mark J.
Duff is a President, Chief Executive Officer & Director at Perma-Fix Environmental Services, Inc. and a President & Director at Safety & Ecology Holdings Corp.
He is on the Board of Directors at Perma-Fix Environmental Services, Inc. and Safety & Ecology Holdings Corp.
Mr. Duff was previously employed as a Vice President by Leidos, Inc., a President by Safety & Ecology Corp., and a President by Timios National Corp.
He received his undergraduate degree from The University of Alabama and an MBA from the University of Phoenix.
Bekannte Unternehmensbeteiligungen
| Unternehmen | Datum | Anzahl der Aktien | Bewertung | Datum der Bewertung |
|---|---|---|---|---|
| 11.09.2025 | 134 556 ( 0,72 % ) | 1 Mio $ | 31.05.2026 |
Aktive Positionen von Mark Duff
| Unternehmen | Position | Beginn |
|---|---|---|
| PERMA-FIX ENVIRONMENTAL SERVICES, INC. | Vorstandsvorsitzender | 08.09.2017 |
Safety & Ecology Holdings Corp.
 Safety & Ecology Holdings Corp. Miscellaneous Commercial ServicesCommercial Services Provides facilities support services | Präsident | - |
Ehemalige bekannte Positionen von Mark Duff
| Unternehmen | Position | Ende |
|---|---|---|
Leidos, Inc.
 Leidos, Inc. Information Technology ServicesTechnology Services Provides cyber operations, digital, integrated system and technology solutions | Corporate Officer/Principal | - |
| HOMELAND SECURITY CAPITAL CORP. | Präsident | - |
Safety & Ecology Corp.
 Safety & Ecology Corp. Miscellaneous Commercial ServicesCommercial Services Provides environmental engineering and contract services | Präsident | - |
Ausbildung von Mark Duff
Erfahrungen
Besetzte Positionen
Aktive
Inaktive
Börsennotierte Unternehmen
Private Unternehmen
Beziehungen
11
Beziehungen ersten Grades
7
Unternehmen ersten Grades
Herr
Frau
Aufsichtsräte
Führungskräfte
Unternehmensverbindungen
| Private Unternehmen | 7 |
|---|---|
Leidos, Inc.
Leidos, Inc. Information Technology ServicesTechnology Services Provides cyber operations, digital, integrated system and technology solutions | Technology Services |
Perma-Fix Environmental Services, Inc.
 Perma-Fix Environmental Services, Inc. Environmental ServicesIndustrial Services Provides nuclear and industrial waste management services | Industrial Services |
Timios National Corp.
 Timios National Corp. Real Estate DevelopmentFinance Provides real estate services | Finance |
The University of Alabama
 The University of Alabama Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Phoenix
 University of Phoenix Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Safety & Ecology Corp.
Safety & Ecology Corp. Miscellaneous Commercial ServicesCommercial Services Provides environmental engineering and contract services | Commercial Services |
Safety & Ecology Holdings Corp.
Safety & Ecology Holdings Corp. Miscellaneous Commercial ServicesCommercial Services Provides facilities support services | Commercial Services |
