![Mark Walsh](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 A. Walsh was the founder of Redhorse Corp.
(founded in 2007) where he held the title of Chief Operating Officer.
He previously held positions as President & Director at Tetra Tech NUS, Inc., Senior Vice President-Market Development at Tetra Tech, Inc., Environmental Consultant at Booz Allen Hamilton, Inc., and President-Technical Environmental Services Group at Tetra Tech EM, Inc. Mr. Walsh received both undergraduate and graduate degrees from The Pennsylvania State University.
| Empresas | Cargo | Fin |
|---|---|---|
Redhorse Corp.
 Redhorse Corp. Data Processing ServicesTechnology Services Provides data science and digital transformation solutions | Fundador | - |
Tetra Tech NUS, Inc.
 Tetra Tech NUS, Inc. Miscellaneous Commercial ServicesCommercial Services Provides environmental, engineering, remediation and information technology consulting services | Presidente | - |
Tetra Tech EM, Inc.
 Tetra Tech EM, Inc. Engineering & ConstructionIndustrial Services Provides environmental consulting | Corporate Officer/Principal | - |
Booz Allen Hamilton, Inc.
 Booz Allen Hamilton, Inc. Packaged SoftwareTechnology Services Builds advanced technology to fast-track results for government—boosting efficiencies, saving money and safeguarding | Corporate Officer/Principal | - |
| TETRA TECH, INC. | Ventas & Marketing | - |
Activas
Inactivas
Empresas cotizadas
Empresas privadas
| Empresas privadas | 6 |
|---|---|
Tetra Tech, Inc.
 Tetra Tech, Inc. Engineering & ConstructionIndustrial Services Provides consulting and engineering services | Industrial Services |
Booz Allen Hamilton, Inc.
Booz Allen Hamilton, Inc. Packaged SoftwareTechnology Services Builds advanced technology to fast-track results for government—boosting efficiencies, saving money and safeguarding | Technology Services |
Tetra Tech EM, Inc.
Tetra Tech EM, Inc. Engineering & ConstructionIndustrial Services Provides environmental consulting | Industrial Services |
The Pennsylvania State University
 The Pennsylvania State University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Tetra Tech NUS, Inc.
Tetra Tech NUS, Inc. Miscellaneous Commercial ServicesCommercial Services Provides environmental, engineering, remediation and information technology consulting services | Commercial Services |
Redhorse Corp.
Redhorse Corp. Data Processing ServicesTechnology Services Provides data science and digital transformation solutions | Technology Services |
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