![Mary Henderson](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>)
Mary Henderson
Director/Board Member at
Merck Serono Ltd.
Net worth: 5 M $ as of 2026-09-29
Profile
Mary Elizabeth Henderson has worked as a Director at Merck Serono Ltd. since 2018.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
Jazz Pharmaceuticals Plc
 Jazz Pharmaceuticals Plc Pharmaceuticals: MajorHealth Technology Engages in the development and commercialization of pharmaceutical products to treat neurological disorders 0.03% | 2025-11-18 | 21,746 ( 0.03% ) | 5 M $ | 2026-09-29 |
Mary Henderson active positions
| Companies | Position | Start |
|---|---|---|
Merck Serono Ltd.
 Merck Serono Ltd. Miscellaneous Commercial ServicesCommercial Services Provides research and development services and manufactures medicinal drugs | Director/Board Member | 2018-08-31 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
2
1st degree connections
1
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 1 |
|---|---|
Merck Serono Ltd.
Merck Serono Ltd. Miscellaneous Commercial ServicesCommercial Services Provides research and development services and manufactures medicinal drugs | Commercial Services |
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