Career history of Mark A. Schleifer
Former positions of Mark A. Schleifer
| Companies | Position | Start | End |
|---|---|---|---|
Cogent Communications Group, Inc.
 Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | Corporate Officer/Principal | 2000-09-30 | 2011-12-01 |
| Digex/Intermedia Communications, Inc. | Corporate Officer/Principal | 1993-12-31 | 1999-12-31 |
Statistics
International
| United States | 3 |
Operational
| Corporate Officer/Principal | 2 |
Sectoral
| Communications | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Private companies | 2 |
|---|---|
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | Communications |
| Digex/Intermedia Communications, Inc. |
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- Mark A. Schleifer
- Experience
