![Joseph Grumski](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>)
Joseph Grumski
Director/Board Member at
PERMA-FIX ENVIRONMENTAL SERVICES, INC.
Net worth: 1 M $ as of 2026-07-30
Profile
Joseph Timothy Grumski is Chief Executive Officer at TAS Energy, Inc. since 2024 and Independent Director at Perma-Fix Environmental Services, Inc. since 2020.
Former roles include Principal at Wilmerding Licensing Corp., Gulf Oil LP, and Lockheed Martin Global, Inc., and Senior Vice President & General Manager at Science Applications International Corp.
from 1997 to 2013.
Education includes undergraduate studies at the University of Pittsburgh and graduate studies at West Virginia University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-07-21 | 67,661 ( 0.32% ) | 1 M $ | 2026-07-30 |
Joseph Grumski active positions
| Companies | Position | Start |
|---|---|---|
| PERMA-FIX ENVIRONMENTAL SERVICES, INC. | Director/Board Member | 2020-02-03 |
TAS Energy, Inc.
 TAS Energy, Inc. Electric UtilitiesUtilities Provides modular energy solutions for the power generation industry | Chief Executive Officer | 2013-04-30 |
Former positions of Joseph Grumski
| Companies | Position | End |
|---|---|---|
| SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | Corporate Officer/Principal | 2013-01-31 |
Wilmerding Licensing Corp.
 Wilmerding Licensing Corp. Electrical ProductsProducer Manufacturing Manufactures and distributes portable generators, televisions & electronics | Corporate Officer/Principal | - |
Lockheed Martin Global, Inc.
 Lockheed Martin Global, Inc. Air Freight/CouriersTransportation Provides marketing and distribution services | Corporate Officer/Principal | - |
Gulf Oil LP
 Gulf Oil LP Specialty StoresRetail Trade Operates gasoline stations | Corporate Officer/Principal | - |
Training of Joseph Grumski
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
63
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Perma-Fix Environmental Services, Inc.
 Perma-Fix Environmental Services, Inc. Environmental ServicesIndustrial Services Provides nuclear and industrial waste management services | Industrial Services |
TAS Energy, Inc.
TAS Energy, Inc. Electric UtilitiesUtilities Provides modular energy solutions for the power generation industry | Utilities |
Science Applications International Corp.
 Science Applications International Corp. Information Technology ServicesTechnology Services Provides defense and intelligence & civilian system services | Technology Services |
University of Pittsburgh
 University of Pittsburgh Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Wilmerding Licensing Corp.
Wilmerding Licensing Corp. Electrical ProductsProducer Manufacturing Manufactures and distributes portable generators, televisions & electronics | Producer Manufacturing |
Gulf Oil LP
Gulf Oil LP Specialty StoresRetail Trade Operates gasoline stations | Retail Trade |
West Virginia University
 West Virginia University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Lockheed Martin Global, Inc.
Lockheed Martin Global, Inc. Air Freight/CouriersTransportation Provides marketing and distribution services | Transportation |
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