![John Adler](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>)
John Adler currently works at Call Control, as Chief Executive Officer from 2016.
Mr. Adler also formerly worked at Vertical Computer Systems, Inc., as Director.
| Companies | Position | Start |
|---|---|---|
Call Control
 Call Control Miscellaneous Commercial ServicesCommercial Services Provides call center and business consulting services | Chief Executive Officer | 01/01/2016 |
| Companies | Position | End |
|---|---|---|
| VERTICAL COMPUTER SYSTEMS, INC. | Director/Board Member | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 2 |
|---|---|
Vertical Computer Systems, Inc.
 Vertical Computer Systems, Inc. Packaged SoftwareTechnology Services Provides cloud-based software services | Technology Services |
Call Control
Call Control Miscellaneous Commercial ServicesCommercial Services Provides call center and business consulting services | Commercial Services |
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