SIR Mark Jonesage 75
Trustee of 2 charities - director of 5 companies - 17 former directorships
Board network
Green nodes are the charities this person governs; amber nodes are trustees they sit alongside. Click any node to explore.
Governance intelligence
33.9 years in governance · 2 charity boards · 20 company directorships (15 former) · 3 sectors · 12y average tenure
Calculated from Charity Commission and Companies House records - deterministic, no AI.
Charity boards (2)
- THE Michael Jacobs Foundation FOR Travel Writing since 2016 · 10yIncome across tenure yearsIncome trend: stableCharity Commission annual returns
- Grimsthorpe AND Drummond Castle Trust Limited since 2012 · 14yIncome across tenure yearsIncome +68% across tenure yearsIncome trend: risingReserves cover about 27 months of spending (latest year)Charity Commission annual returns
Company appointments
- Director THE Sarikhani Foundation appointed 2020 On the register
- Director Artist Rooms Foundation appointed 2019 On the register
- Director York Museums AND Gallery Trust appointed 2018 · resigned 2020 On the register
- Director Watts Gallery Trust appointed 2013 · resigned 2019 On the register
- Director Birmingham Museums Trust appointed 2012 · resigned 2015 On the register
- Director Grimsthorpe & Drummond Castle Trust Limited appointed 2012 On the register
- Director Tullie House Museum AND ART Gallery Trust appointed 2011 · resigned 2022 On the register
- Director Gilbert Trust FOR THE Arts appointed 2001 · resigned 2011 On the register
- Director Grimsthorpe & Drummond Castle Trust Limited appointed 1992 · resigned 2005 On the register
Company directorships matched to this trustee from Companies House. Company status is a matter of public record, shown as at the latest register snapshot.
Governance journey
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1992
Director - resigned 2005
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1993
Director - resigned 1996
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1997
Director - resigned 2001
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1997
Director - resigned 2001
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2000
Director - resigned 2001
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2000
Director - resigned 2005
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2001
Director - resigned 2011
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2001
Director - resigned 2011
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2002
Director
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2004
Director - resigned 2006
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2004
Director - resigned 2006
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2009
Director - resigned 2011
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2011
Director - resigned 2022
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2012
Director
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2012
Director - resigned 2016
- 2012
- 2012
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2012
Director - resigned 2022
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2012
Director - resigned 2015
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2013
Director - resigned 2019
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2015
Director - resigned 2025
- 2016
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2018
Director - resigned 2020
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2019
Director
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2019
Director
- 2019
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2020
Director
Governance network
163
people served alongside
6
organisations in their governance network
Most-frequent collaborators
- Stewart, Roderick James Nugent Grimsthorpe & Drummond Castle Trust Limited, 2023-current
- Troughton, Sarah Hope Grimsthorpe & Drummond Castle Trust Limited, 2021-current
- Butler, Caroline Ann Grimsthorpe & Drummond Castle Trust Limited, 2021-current
- Sarikhani, Ali Reza THE Sarikhani Foundation, 2020-current
- Clark, Seema Louise Ghiassi THE Sarikhani Foundation, 2020-current
- Sandmann, Ina Rokhsana THE Sarikhani Foundation, 2020-current
- Ansari, Ali Massoud, Professor THE Sarikhani Foundation, 2020-current
- Calvocoressi, Richard Edward Ion Artist Rooms Foundation, 2019-current
- +161 more
Similar leaders
Corporate non-executiveCharity and companyGovernance veteran
People with a similar governance profile
- Andy Wates same sectors
- Frances Mary Laing same sectors
- Geoffrey Adrian Richards same sectors
- Jonathan Mark Falkingham same sectors
- Norman Alan Shuker same sectors
- Nicholas Keegan same sectors
Grouped by governance profile from public records - deterministic, no AI.
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