Mark Duff
Chief Executive Officer chez PERMA-FIX ENVIRONMENTAL SERVICES, INC.
Fortune : 1 M $ au 31/03/2024
Profil
Mark James Duff is currently the President, Chief Executive Officer & Director at Perma-Fix Environmental Services, Inc. He is also the President & Director at Safety & Ecology Holdings Corp.
Previously, he held positions as Vice President at Leidos, Inc., President at Timios National Corp., and President at Safety & Ecology Corp.
Mr. Duff completed his undergraduate degree at The University of Alabama and holds an MBA from the University of Phoenix.
Détentions connues dans des sociétés publiques
| Société | Date | Nombre d'actions | Valorisation | Date de valorisation |
|---|---|---|---|---|
| 12/02/2024 | 110 952 ( 0,81% ) | 1 M $ | 31/03/2024 |
Postes actifs de Mark Duff
| Sociétés | Poste | Début |
|---|---|---|
| PERMA-FIX ENVIRONMENTAL SERVICES, INC. | Chief Executive Officer | 08/09/2017 |
Safety & Ecology Holdings Corp.
 Safety & Ecology Holdings Corp. Miscellaneous Commercial ServicesCommercial Services Safety & Ecology Holdings Corp. provides environmental, infrastructure and nuclear energy services. It offers construction, remediation, and demolition services, such as facility deactivation, decontamination, site closure, threat reduction, security, and federal facility specialty construction and environmental services. The company is headquartered in Oak Ridge, TN. | President | - |
Anciens postes connus de Mark Duff
| Sociétés | Poste | Fin |
|---|---|---|
Leidos, Inc.
 Leidos, Inc. Information Technology ServicesTechnology Services Leidos, Inc. provides scientific, engineering, systems integration and technical services and solutions. It offers solutions and services that leverage the power of data analytics, systems integration, and cyber security across national security, health, and engineering markets. The company was founded by John Robert Beyster in June 1969 and is headquartered in Reston, VA. | Corporate Officer/Principal | - |
| HOMELAND SECURITY CAPITAL CORP. | President | - |
Safety & Ecology Corp.
 Safety & Ecology Corp. Miscellaneous Commercial ServicesCommercial Services Safety & Ecology Corp. provides environmental engineering and contract services. It offers construction, remediation and demolition, environmental services and environmental technology. The company was founded by Christopher P. Leichtweis in 1991 and is headquartered in Knoxville, TN. | President | - |
Formation de Mark Duff
| The University of Alabama | Undergraduate Degree |
| University of Phoenix | Masters Business Admin |
Expériences
Fonctions occupées
Relations
Relations au 1er degré
Entreprises liées au 1er degré
Homme
Femme
Administrateurs
Exécutifs
Sociétés liées
| Sociétés cotées | 1 |
|---|---|
| PERMA-FIX ENVIRONMENTAL SERVICES, INC. | Industrial Services |
| Entreprise privées | 4 |
|---|---|
Leidos, Inc.
Leidos, Inc. Information Technology ServicesTechnology Services Leidos, Inc. provides scientific, engineering, systems integration and technical services and solutions. It offers solutions and services that leverage the power of data analytics, systems integration, and cyber security across national security, health, and engineering markets. The company was founded by John Robert Beyster in June 1969 and is headquartered in Reston, VA. | Technology Services |
Timios National Corp.
 Timios National Corp. Real Estate DevelopmentFinance Timios National Corp. engages in the acquisition, development and consolidation of real estate services related businesses. It focuses on creating long-term value by taking controlling interest and developing its subsidiary companies through operations and management. The company was founded on August 12, 1997 and is headquartered in Arlington, VA. | Finance |
Safety & Ecology Corp.
Safety & Ecology Corp. Miscellaneous Commercial ServicesCommercial Services Safety & Ecology Corp. provides environmental engineering and contract services. It offers construction, remediation and demolition, environmental services and environmental technology. The company was founded by Christopher P. Leichtweis in 1991 and is headquartered in Knoxville, TN. | Commercial Services |
Safety & Ecology Holdings Corp.
Safety & Ecology Holdings Corp. Miscellaneous Commercial ServicesCommercial Services Safety & Ecology Holdings Corp. provides environmental, infrastructure and nuclear energy services. It offers construction, remediation, and demolition services, such as facility deactivation, decontamination, site closure, threat reduction, security, and federal facility specialty construction and environmental services. The company is headquartered in Oak Ridge, TN. | Commercial Services |
