![William Wagner](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>)
William Wagner
Chief Executive Officer at
SEMRUSH HOLDINGS, INC.
Net worth: 594 063 $ as of 2026-08-30
Profile
William Raymond Wagner is currently Chief Executive Officer at SEMrush Holdings, Inc. starting in 2026, Independent Chairman at Avery Dennison Corp.
starting in 2026, President & Director at LogMeIn USA, Inc., Director at ChurnZero, Inc. since 2017, and Director at Build Boston.
Former positions include Director at M5 Networks, Inc., President, Chief Operating Officer & Director at GoTo Group, Inc. from 2013 to 2022, Director at Fine Point Technologies, Inc., Director at Baltimore Symphony Orchestra, Independent Director at Akamai Technologies, Inc. from 2018 to 2025, Independent Director at BlackLine, Inc. from 2023 to 2025, Chief Marketing Officer at Fiberlink Communications Corp.
from 2000 to 2006, and Chief Operating Officer & Executive Vice President at Vocus, Inc. from 2006 to 2012.
Education includes an undergraduate degree from Lafayette College in 1989 and an MBA from The Wharton School of the University of Pennsylvania in 1999.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-08-31 | 3,412 ( 0% ) | 594 063 $ | 2026-08-30 |
William Wagner active positions
| Companies | Position | Start |
|---|---|---|
| SEMRUSH HOLDINGS, INC. | Chief Executive Officer | 2025-03-09 |
| AVERY DENNISON CORPORATION | Chairman | 2026-08-31 |
ChurnZero, Inc.
 ChurnZero, Inc. Packaged SoftwareTechnology Services Develops a SaaS platform for subscription businesses that helps them to retain customers and fight churn | Director/Board Member | 2017-12-19 |
Build Boston | Director/Board Member | - |
LogMeIn USA, Inc.
 LogMeIn USA, Inc. Packaged SoftwareTechnology Services Develops teleconferencing and online training software applications | President | - |
Former positions of William Wagner
| Companies | Position | End |
|---|---|---|
| BLACKLINE, INC. | Director/Board Member | 2025-05-07 |
| AKAMAI TECHNOLOGIES, INC. | Director/Board Member | 2025-02-23 |
| LOGMEIN, INC. | Chief Executive Officer | 2021-12-31 |
M5 Networks, Inc.
 M5 Networks, Inc. Telecommunications EquipmentElectronic Technology Manufactures and markets telecommunications systems and devices | Director/Board Member | 2013-05-29 |
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Training of William Wagner
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
88
1st degree connections
15
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 15 |
|---|---|
Avery Dennison Corp.
 Avery Dennison Corp. Pulp & PaperProcess Industries Designs and develops labeling and functional materials, radio frequency identification inlays, tags & software applications | Process Industries |
Akamai Technologies, Inc.
 Akamai Technologies, Inc. Data Processing ServicesTechnology Services Provides cloud computing, security and content delivery services | Technology Services |
M5 Networks, Inc.
M5 Networks, Inc. Telecommunications EquipmentElectronic Technology Manufactures and markets telecommunications systems and devices | Electronic Technology |
Fiberlink Communications Corp.
 Fiberlink Communications Corp. Packaged SoftwareTechnology Services Provides cloud-based enterprise mobility management services | Technology Services |
GoTo Group, Inc.
 GoTo Group, Inc. Packaged SoftwareTechnology Services Develops AI based business communication software | Technology Services |
Vocus, Inc.
 Vocus, Inc. Packaged SoftwareTechnology Services Provides cloud-based public relations and marketing software solutions that enables companies to acquire and retain customers | Technology Services |
Lafayette College
 Lafayette College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Fine Point Technologies, Inc.
 Fine Point Technologies, Inc. Packaged SoftwareTechnology Services Develops software tools for broadband connectivity | Technology Services |
Baltimore Symphony Orchestra
 Baltimore Symphony Orchestra Movies/EntertainmentConsumer Services Operates as an American symphony orchestra | Consumer Services |
The Wharton School of the University of Pennsylvania
 The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
LogMeIn USA, Inc.
LogMeIn USA, Inc. Packaged SoftwareTechnology Services Develops teleconferencing and online training software applications | Technology Services |
BlackLine, Inc.
 BlackLine, Inc. Packaged SoftwareTechnology Services Provides cloud-based solutions for accounting and finance operations | Technology Services |
ChurnZero, Inc.
ChurnZero, Inc. Packaged SoftwareTechnology Services Develops a SaaS platform for subscription businesses that helps them to retain customers and fight churn | Technology Services |
Build Boston | |
SEMrush Holdings, Inc.
 SEMrush Holdings, Inc. Packaged SoftwareTechnology Services Develops and operates as software-as-a-service platform for online visibility management | Technology Services |
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