![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 bei
Express Services, Inc.
Vermögen: 2 Mio $ am 30.06.2026
Profil
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.
Bekannte Unternehmensbeteiligungen
| Unternehmen | Datum | Anzahl der Aktien | Bewertung | Datum der Bewertung |
|---|---|---|---|---|
BIRCHTECH CORP. 4,13 % | 26.02.2026 | 1.086.107 ( 4,13 % ) | 2 Mio $ | 30.06.2026 |
Aktive Positionen von Christopher Greenberg
| Unternehmen | Position | Beginn |
|---|---|---|
Express Services, Inc.
 Express Services, Inc. Personnel ServicesCommercial Services Provides staffing services and human resource solutions | Corporate Officer/Principal | - |
Ehemalige bekannte Positionen von Christopher Greenberg
| Unternehmen | Position | Ende |
|---|---|---|
| BIRCHTECH CORP. | Vorsitzender | 01.07.2025 |
Global Safety Network
 Global Safety Network Miscellaneous Commercial ServicesCommercial Services Provides background investigation, drug free workplace program and training services | Vorstandsvorsitzender | 01.05.2021 |
Energy & Environmental Research Center Foundation | Direktor/Vorstandsmitglied | - |
The Dental Service Corp. of North Dakota | Direktor/Vorstandsmitglied | - |
Ausbildung von Christopher Greenberg
Erfahrungen
Besetzte Positionen
Aktive
Inaktive
Börsennotierte Unternehmen
Private Unternehmen
Beziehungen
57
Beziehungen ersten Grades
6
Unternehmen ersten Grades
Herr
Frau
Aufsichtsräte
Führungskräfte
Unternehmensverbindungen
| Private Unternehmen | 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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