![Timothy Vanderhook](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>)
Timothy Vanderhook
Chief Executive Officer at
VIANT TECHNOLOGY INC.
Net worth: 102 M $ as of 2026-05-30
Profile
Mr. Timothy C.
Vanderhook is a Chief Executive Officer, Secretary & Director at SM 1 OLDCO Ltd., a Chairman & Chief Executive Officer at Viant Technology LLC and a Chairman & Chief Executive Officer at Viant Technology, Inc. He is on the Board of Directors at SM 1 OLDCO Ltd. and Chapman University.
Mr. Vanderhook was previously employed as a Co-Founder by Xumo LLC, a Chief Executive Officer by Specific Media LLC, and a Chief Executive Officer by MySpace, Inc. He received his undergraduate degree from California State University-Fullerton.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
VIANT TECHNOLOGY, INC. 16.01% | 2026-04-08 | 7,833,774 ( 16.01% ) | 100 M $ | 2026-05-30 |
| 2026-06-14 | 208,880 ( 1.04% ) | 3 M $ | 2026-05-30 |
Timothy Vanderhook active positions
| Companies | Position | Start |
|---|---|---|
| VIANT TECHNOLOGY INC. | Chief Executive Officer | 2020-10-15 |
Viant Technology LLC
 Viant Technology LLC Advertising/Marketing ServicesCommercial Services Provides advertising applications and digital media services | Chief Executive Officer | 1998-12-31 |
SM 1 OLDCO Ltd.
 SM 1 OLDCO Ltd. Advertising/Marketing ServicesCommercial Services Provides advertising, marketing agencies services | Founder | 2000-06-22 |
Chapman University
 Chapman University Other Consumer ServicesConsumer Services Functions as a College/University | Director/Board Member | - |
Former positions of Timothy Vanderhook
| Companies | Position | End |
|---|---|---|
MySpace, Inc.
 MySpace, Inc. Internet Software/ServicesTechnology Services Operates a social networking platform | Chief Executive Officer | - |
Xumo LLC
 Xumo LLC Computer PeripheralsElectronic Technology Develops and markets digital content delivery solutions and provides software services | Founder | - |
Specific Media LLC
 Specific Media LLC Advertising/Marketing ServicesCommercial Services Provides interactive media services | Founder | - |
Training of Timothy Vanderhook
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
33
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Viant Technology LLC
Viant Technology LLC Advertising/Marketing ServicesCommercial Services Provides advertising applications and digital media services | Commercial Services |
California State University-Fullerton
 California State University-Fullerton Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Chapman University
Chapman University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
MySpace, Inc.
MySpace, Inc. Internet Software/ServicesTechnology Services Operates a social networking platform | Technology Services |
Specific Media LLC
Specific Media LLC Advertising/Marketing ServicesCommercial Services Provides interactive media services | Commercial Services |
SM 1 OLDCO Ltd.
SM 1 OLDCO Ltd. Advertising/Marketing ServicesCommercial Services Provides advertising, marketing agencies services | Commercial Services |
Xumo LLC
Xumo LLC Computer PeripheralsElectronic Technology Develops and markets digital content delivery solutions and provides software services | Electronic Technology |
Viant Technology, Inc.
 Viant Technology, Inc. Packaged SoftwareTechnology Services Develops people-based advertising software | Technology Services |
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