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John Maddison
Sales & Marketing at
F5, INC.
Net worth: 824 034 $ as of 31/05/2026
Profile
John Maddison is Chief Marketing Officer at F5, Inc. starting in 2025.
Formerly, Mr. Maddison was Senior Director-Product Management at Lucent Technologies, Inc., Senior VP-Core Technology at Trend Micro, Inc. (Texas), and Chief Marketing Officer & EVP-Product Strategy at Fortinet, Inc. Mr. Maddison completed undergraduate studies at the University of Plymouth.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
F5, INC. 0% | 04/05/2026 | 2,149 ( 0% ) | 824 034 $ | 31/05/2026 |
John Maddison active positions
| Companies | Position | Start |
|---|---|---|
| F5, INC. | Sales & Marketing | 01/12/2024 |
Former positions of John Maddison
| Companies | Position | End |
|---|---|---|
Trend Micro, Inc. (Texas)
 Trend Micro, Inc. (Texas) Packaged SoftwareTechnology Services Provides security software, hardware and services | Chief Tech/Sci/R&D Officer | - |
Lucent Technologies, Inc.
 Lucent Technologies, Inc. Telecommunications EquipmentElectronic Technology Designs and builds a wide range of public and private networks, communications systems and software, and data networking systems, as well as telephone systems and microelectronic components | Corporate Officer/Principal | - |
| FORTINET, INC. | Corporate Officer/Principal | - |
Training of John Maddison
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
8
1st degree connections
5
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
Lucent Technologies, Inc.
Lucent Technologies, Inc. Telecommunications EquipmentElectronic Technology Designs and builds a wide range of public and private networks, communications systems and software, and data networking systems, as well as telephone systems and microelectronic components | Electronic Technology |
F5, Inc.
 F5, Inc. Packaged SoftwareTechnology Services Manufactures Internet-based software | Technology Services |
University of Plymouth
 University of Plymouth Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Trend Micro, Inc. (Texas)
Trend Micro, Inc. (Texas) Packaged SoftwareTechnology Services Provides security software, hardware and services | Technology Services |
Fortinet, Inc.
 Fortinet, Inc. Information Technology ServicesTechnology Services Provides cyber security and networking solutions | Technology Services |
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