![Elizabeth Sestanovich](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>)
Elizabeth Sestanovich
Human Resources Officer at
SYSTEM1, INC.
Net worth: 178 819 $ as of 2026-06-29
Profile
Elizabeth Sestanovich is Chief People Officer at System1 LLC since 2016 and Chief People Officer at System1, Inc. since 2021.
Formerly, Ms. Sestanovich was Chief Executive Officer at LA Weekly LP from 2002 to 2013, Chief Executive Officer at OC Weekly LLC from 2002 to 2013, and Principal & Partner at Summit Advisors LLC from 2014 to 2016.
Education includes undergraduate studies at the University of California, Los Angeles and graduate studies at Pepperdine University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-07-14 | 51,890 ( 0.65% ) | 119 866 $ | 2026-06-29 | |
SYSTEM1, INC. 1.43% | 2026-04-14 | 25,521 ( 1.43% ) | 58 954 $ | 2026-06-29 |
Elizabeth Sestanovich active positions
| Companies | Position | Start |
|---|---|---|
| SYSTEM1, INC. | Human Resources Officer | 2021-05-31 |
System1 LLC
 System1 LLC Advertising/Marketing ServicesCommercial Services Operates as a marketing platform for keyword pay-per-click advertising | Human Resources Officer | 2016-07-31 |
Former positions of Elizabeth Sestanovich
| Companies | Position | End |
|---|---|---|
Summit Advisors LLC
 Summit Advisors LLC Investment ManagersFinance Provides investment advice | Corporate Officer/Principal | 2015-12-31 |
LA Weekly LP
 LA Weekly LP Publishing: NewspapersConsumer Services Newspaper publishing | Chief Executive Officer | 2012-12-31 |
OC Weekly LLC
 OC Weekly LLC Miscellaneous Commercial ServicesCommercial Services Provides news and provocative coverage services of arts and entertainment | Chief Executive Officer | 2012-12-31 |
Training of Elizabeth Sestanovich
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
2
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
LA Weekly LP
LA Weekly LP Publishing: NewspapersConsumer Services Newspaper publishing | Consumer Services |
University of California, Los Angeles
 University of California, Los Angeles Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Pepperdine University
 Pepperdine University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Summit Advisors LLC
Summit Advisors LLC Investment ManagersFinance Provides investment advice | Finance |
System1 LLC
System1 LLC Advertising/Marketing ServicesCommercial Services Operates as a marketing platform for keyword pay-per-click advertising | Commercial Services |
OC Weekly LLC
OC Weekly LLC Miscellaneous Commercial ServicesCommercial Services Provides news and provocative coverage services of arts and entertainment | Commercial Services |
System1, Inc.
 System1, Inc. Packaged SoftwareTechnology Services Develops proprietary end-to-end responsive acquisition marketing platform | Technology Services |
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