![Mary-Rose de Valladares](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-Rose de Valladares
Director/Board Member at
ATOME PLC
Net worth: 241 391 $ as of 2026-05-30
Profile
Mary-Rose de Valladares currently works at Santa Fe Institute of Science, as Director, Atome Ltd., as Director, and Atome Plc, as Independent Non-Executive Director from 2021.
Ms. de Valladares also formerly worked at The National Hydrogen Association, as Director and International Energy Agency, as General Manager from 2003 to 2020.
Ms. de Valladares received her undergraduate degree in 1974 from the University of Maryland, Masters Business Admin degree in 1998 from McDonough School of Business, and graduate degree in 1976 from McDonough School of Business.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ATOME PLC 0.35% | 2026-04-29 | 331,631 ( 0.35% ) | 241 391 $ | 2026-05-30 |
Mary-Rose de Valladares active positions
| Companies | Position | Start |
|---|---|---|
| ATOME PLC | Director/Board Member | 2021-12-06 |
Atome Ltd. | Director/Board Member | - |
Santa Fe Institute of Science
 Santa Fe Institute of Science Miscellaneous Commercial ServicesCommercial Services Operates as research and education center | Director/Board Member | - |
Former positions of Mary-Rose de Valladares
| Companies | Position | End |
|---|---|---|
International Energy Agency
 International Energy Agency Other Consumer ServicesConsumer Services College/University | Corporate Officer/Principal | 2019-12-31 |
The National Hydrogen Association
 The National Hydrogen Association Miscellaneous Commercial ServicesCommercial Services Provides advocacy services for hydrogen and hydrogen technology use | Director/Board Member | - |
Training of Mary-Rose de Valladares
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
91
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
University of Maryland
 University of Maryland Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
International Energy Agency
International Energy Agency Other Consumer ServicesConsumer Services College/University | Consumer Services |
Santa Fe Institute of Science
Santa Fe Institute of Science Miscellaneous Commercial ServicesCommercial Services Operates as research and education center | Commercial Services |
The National Hydrogen Association
The National Hydrogen Association Miscellaneous Commercial ServicesCommercial Services Provides advocacy services for hydrogen and hydrogen technology use | Commercial Services |
McDonough School of Business
 McDonough School of Business Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Atome Ltd. | |
Atome Plc
 Atome Plc Chemicals: SpecialtyProcess Industries Engages in producing, marketing and distributing of green hydrogen and ammonia | Process Industries |
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