Sir Jonathan Mark Marsdenage 66
Chair of 2 charities - director of 1 company - 6 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
30.3 years in governance · 2 charity boards · 6 company directorships (6 former) · 1 chair role · 3 sectors · 5y average tenure
Calculated from Charity Commission and Companies House records - deterministic, no AI.
Charity boards (2)
- THE English Heritage Trust since 2023 · 3yIncome across tenure yearsIncome +19% across tenure yearsIncome trend: risingReserves cover about 3 months of spending (latest year)Charity Commission annual returns
- SIR John ST Barbe Foundation Chair since 2019 · 7yIncome across tenure yearsIncome +2% across tenure yearsIncome trend: stableCharity Commission annual returns
Company appointments
- Director THE English Heritage Trust appointed 2023 On the register
- Director City AND Guilds OF London ART School Limited appointed 2012 · resigned 2019 On the register
- Director City AND Guilds ART School Property Trust appointed 2009 · resigned 2012 On the register
- Director THE Household Cavalry Museum Trust Limited appointed 2004 · resigned 2012 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
-
1996
Director - resigned 2018
-
2004
Director - resigned 2012
-
2007
Director - resigned 2017
-
2007
Director - resigned 2017
-
2009
Director - resigned 2012
-
2012
Director - resigned 2019
-
2019
Trustee - Chair
-
2023
Trustee
-
2023
Director
Governance network
99
people served alongside
4
organisations in their governance network
Most-frequent collaborators
- TEW, Beverley Jane THE English Heritage Trust, 2026-current
- Haddon, Dale Thomas THE English Heritage Trust, 2026-current
- Hales, Antony John THE English Heritage Trust, 2026-current
- Farmer, Paul David Charles THE English Heritage Trust, 2025-current
- Cates, Tony THE English Heritage Trust, 2023-current
- Michaels, Chris, Dr. THE English Heritage Trust, 2023-current
- Whyte, William Hadden, Rev Canon Professor THE English Heritage Trust, 2023-current
- Wilkinson, Susan Linda THE English Heritage Trust, 2023-current
- +92 more
Similar leaders
Corporate non-executiveCharity and companyGovernance veteran
People with a similar governance profile
- Nicholas James Rampley same sectors
- Sarah Georgia Kemp same sectors
- Christopher Paul Riddle same sectors
- David Baxter same sectors
- Geoffrey George Morgan Sandercock same sectors
- Martin Francis Peagam same sectors
Grouped by governance profile from public records - deterministic, no AI.
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