![Harold Zeller](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>)
Harold Zeller served as Interim Chief Executive Officer at Systems Evolution, Inc. and Interim Chief Financial Officer at SPO Networks, Inc.
| Companies | Position | End |
|---|---|---|
Systems Evolution, Inc.
 Systems Evolution, Inc. Information Technology ServicesTechnology Services Provides information technology services and other related technical support services | President | 04/03/2010 |
| SPO NETWORKS, INC. | Director of Finance/CFO | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 2 |
|---|---|
Systems Evolution, Inc.
Systems Evolution, Inc. Information Technology ServicesTechnology Services Provides information technology services and other related technical support services | Technology Services |
SPO Networks, Inc.
 SPO Networks, Inc. Environmental ServicesIndustrial Services Provides solid waste, scrap metal recycling and demolition services | Industrial Services |
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