![Christopher Greenberg](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>)
Christopher Greenberg
Corporate Officer/Principal bij
Express Services, Inc.
Vermogen: 2 M $ op 31-05-2026
Profiel
Christopher Greenberg was the founder of Greenberg Enterprises LLC, founded in 2015, and Global Safety Network, founded in 2002, holding the title of Chief Executive Officer from 2002 to 2021.
Mr. Greenberg is currently the Owner of Express Services, Inc. Former jobs include Chairman at Birchtech Corp.
from 2014 to 2025, Director at The Dental Service Corp.
of North Dakota, and Director at Energy & Environmental Research Center Foundation.
Education includes an undergraduate degree from the University of North Dakota, conferred in 1992.
Bekende belangen in openbare bedrijven
| Onderneming | Datum | Aantal aandelen | Totale waarde | Waarderingsdatum |
|---|---|---|---|---|
BIRCHTECH CORP. 4,13% | 26-02-2026 | 1.086.107 ( 4,13% ) | 2 M $ | 31-05-2026 |
Actieve functies van Christopher Greenberg
| Bedrijven | Functie | Begin |
|---|---|---|
Express Services, Inc.
 Express Services, Inc. Personnel ServicesCommercial Services Provides staffing services and human resource solutions | Corporate Officer/Principal | - |
Eerdere bekende functies van Christopher Greenberg
| Bedrijven | Functie | Einde |
|---|---|---|
| BIRCHTECH CORP. | Voorzitter | 01-07-2025 |
Global Safety Network
 Global Safety Network Miscellaneous Commercial ServicesCommercial Services Provides background investigation, drug free workplace program and training services | Algemeen Directeur | 01-05-2021 |
Energy & Environmental Research Center Foundation | Directeur/Bestuurslid | - |
The Dental Service Corp. of North Dakota | Directeur/Bestuurslid | - |
Opleiding van Christopher Greenberg
Ervaring
Beklede functies
Actief
Inactief
Beursgenoteerde bedrijven
Bedrijven in privébezit
Connecties
56
Eerstegraads connecties
6
Bedrijven verbonden in de eerste graad
Man
Vrouw
Besturend
Uitvoerend
Verwante bedrijven
| Bedrijven in privébezit | 6 |
|---|---|
Express Services, Inc.
Express Services, Inc. Personnel ServicesCommercial Services Provides staffing services and human resource solutions | Commercial Services |
University of North Dakota
 University of North Dakota Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Birchtech Corp.
 Birchtech Corp. Packaged SoftwareTechnology Services Develops mercury emission control technologies | Technology Services |
Global Safety Network
Global Safety Network Miscellaneous Commercial ServicesCommercial Services Provides background investigation, drug free workplace program and training services | Commercial Services |
The Dental Service Corp. of North Dakota | |
Energy & Environmental Research Center Foundation |
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