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Kumsal Bayazit Besson
Chief Tech/Sci/R&D Officer at
RELX PLC
Net worth: 71 960 $ as of 30/05/2026
Profile
Kumsal Bayazit Besson is currently Chief Executive Officer at Elsevier BV since 2019.
The role of CEO-Scientific, Technical & Medical at RELX Plc has been held since 2019.
Since 2023, the position of Independent Non-Executive Director at Associated British Foods Plc is held.
The role of Non-Executive Director at Preqin Ltd. is also current.
Former roles include Chief Executive Officer & Director at Elsevier Ltd., Independent Non-Executive Director at LSL Property Services Plc from 2015 to 2019, Director & President-Europe Region at Reed Exhibitions Ltd., Chief Strategy Officer at RELX NV, Regional President at RX Australia Pty Ltd., EVP-Global Strategy & Business Development at LexisNexis Group, Inc. from 2008 to 2011, and Chief Strategy Officer at RELX Group Plc from 2004 to 2023.
Education includes undergraduate studies at the University of California, Berkeley, and an MBA from Harvard Business School.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 12/09/2025 | 2,930 ( 0% ) | 71 960 $ | 30/05/2026 |
Kumsal Bayazit Besson active positions
| Companies | Position | Start |
|---|---|---|
| RELX PLC | Chief Tech/Sci/R&D Officer | 31/12/2018 |
| ASSOCIATED BRITISH FOODS PLC | Director/Board Member | 30/11/2023 |
Elsevier BV
 Elsevier BV Internet Software/ServicesTechnology Services Provides information solutions | Chief Executive Officer | 14/02/2019 |
Preqin Ltd.
 Preqin Ltd. Data Processing ServicesTechnology Services Operates as a data firm for private equity companies | Director/Board Member | - |
Former positions of Kumsal Bayazit Besson
| Companies | Position | End |
|---|---|---|
RELX Group Plc
 RELX Group Plc Packaged SoftwareTechnology Services Develops information-based analytics and decision tools for professional and business customers | Corporate Officer/Principal | 31/12/2022 |
| LSL PROPERTY SERVICES PLC | Director/Board Member | 29/04/2019 |
LexisNexis Group, Inc.
 LexisNexis Group, Inc. Packaged SoftwareTechnology Services Provides information services and software solutions | Corporate Officer/Principal | 30/11/2011 |
Elsevier Ltd.
 Elsevier Ltd. Internet Software/ServicesTechnology Services Provides information and analytics services for healthcare industry | Chief Executive Officer | - |
Reed Exhibitions Ltd.
 Reed Exhibitions Ltd. Miscellaneous Commercial ServicesCommercial Services Organizes exhibitions and trade show events | Director/Board Member | - |
Training of Kumsal Bayazit Besson
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
48
1st degree connections
13
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 13 |
|---|---|
RELX Plc
 RELX Plc Miscellaneous Commercial ServicesCommercial Services Provides information-based analytics and decision tools | Commercial Services |
Elsevier BV
Elsevier BV Internet Software/ServicesTechnology Services Provides information solutions | Technology Services |
LSL Property Services Plc
 LSL Property Services Plc Real Estate DevelopmentFinance Provides real estate services | Finance |
Associated British Foods Plc
 Associated British Foods Plc Food: Major DiversifiedConsumer Non-Durables Produces and retails food products | Consumer Non-Durables |
RELX NV
 RELX NV Miscellaneous Commercial ServicesCommercial Services Provides professional information solutions in the science, medical, risk, legal and business sectors | Commercial Services |
Reed Exhibitions Ltd.
Reed Exhibitions Ltd. Miscellaneous Commercial ServicesCommercial Services Organizes exhibitions and trade show events | Commercial Services |
LexisNexis Group, Inc.
LexisNexis Group, Inc. Packaged SoftwareTechnology Services Provides information services and software solutions | Technology Services |
University of California, Berkeley
 University of California, Berkeley Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
RELX Group Plc
RELX Group Plc Packaged SoftwareTechnology Services Develops information-based analytics and decision tools for professional and business customers | Technology Services |
Elsevier Ltd.
Elsevier Ltd. Internet Software/ServicesTechnology Services Provides information and analytics services for healthcare industry | Technology Services |
Preqin Ltd.
Preqin Ltd. Data Processing ServicesTechnology Services Operates as a data firm for private equity companies | Technology Services |
RX Australia Pty Ltd.
 RX Australia Pty Ltd. Miscellaneous Commercial ServicesCommercial Services Organizes business and consumer exhibitions | Commercial Services |
Harvard Business School
 Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
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