![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
Företagsledare/Principal på
Express Services, Inc.
Förmögenhet: 1 M $ per 2026-08-31
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.
Kända innehav i offentliga företag
| Företag | Datum | Antal aktier | Värdering | Värderingsdatum |
|---|---|---|---|---|
BIRCHTECH CORP. 4,13 % | 2026-02-26 | 1 086 107 ( 4,13 % ) | 1 M $ | 2026-08-31 |
Aktiva positioner av Christopher Greenberg
| Företag | Position | Start |
|---|---|---|
Express Services, Inc.
 Express Services, Inc. Personnel ServicesCommercial Services Provides staffing services and human resource solutions | Företagsledare/Principal | - |
Tidigare kända positioner av Christopher Greenberg
| Företag | Position | Slut |
|---|---|---|
| BIRCHTECH CORP. | Ordförande | 2025-07-01 |
Global Safety Network
 Global Safety Network Miscellaneous Commercial ServicesCommercial Services Provides background investigation, drug free workplace program and training services | Verkställande Direktör | 2021-05-01 |
Energy & Environmental Research Center Foundation | Direktör/Styrelseledamot | - |
The Dental Service Corp. of North Dakota | Direktör/Styrelseledamot | - |
Christopher Greenbergs utbildningar
Erfarenheter
Innehade positioner
Aktiva
Inaktiva
Börsnoterade företag
Privata företag
Relationer
74
Första gradens relationer
6
Företag kopplade till första graden
Man
Kvinna
Styrelseledamöter
Chefer
Kopplade företag
| Privata företag | 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 |
