The Governance RegisterEdition 2026 · Compiled 12th July 2026

The Gemmological Association of Great Britain

Company 01945780 Active

Registered charity: The Gemmological Association of Great Britain

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Board DNA

How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.

7
directors on the board
5.5y median 3.7y
average tenure
9y
longest tenure
3
directors past 6 years
5 vs 2 portfolio
first-time directors
0
also govern a charity
0
left in the last 12 months

Where else this board sits

Business services 2Arts and leisure 1Hospitality 1Retail and trade 1

The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.

Related organisations

Companies whose board overlaps with this one through the same people. Deterministic, from public records.

Company details

Number01945780
StatusActive
TypePRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Incorporated10/09/1985
Address21 ELY PLACE, LONDON, EC1N 6TD
Accounts next due30/09/2026
Accounts last made up31/12/2024

Industry (SIC)

94120 - Activities of professional membership organizations

Ownership - persons with significant control (12)


  • Miss Justine Lynda Carmody ceased British
    significant influence or control
  • Kathryn Leigh Bonanno Patrizzi ceased American
    significant influence or control
  • Christopher Patrick Smith ceased American
    significant influence or control
  • Dr John Mullen Ogden ceased British
    significant influence or control
  • Miss Kerry Honor Gregory ceased British
    significant influence or control
  • Mrs Mary Ann Burland ceased British
    significant influence or control
  • John Alan William Hodgkinson ceased British
    significant influence or control
  • Mr Richard Mark Slater ceased British
    significant influence or control
  • Mrs Miranda Elizabeth Jane Wells ceased British
    significant influence or control
  • Mr Paul Frank Greer ceased British
    significant influence or control
  • Mr Nigel Brian Israel ceased British
    significant influence or control

Officers (60)

  • Hill, Catherine Elizabeth Secretary · appointed 2025
  • Mccallum, Alistair Neil Director · appointed 2024
  • Tonna, Pia Pompea Director · appointed 2022
  • Pedersen, Marguerite Ann Campbell Director · appointed 2022
  • Flitcroft, Katie Mckenzie Director · appointed 2022
  • Bayoumi - Stefanovic, Nevin Ibrahim Khalil Director · appointed 2019
  • Hardy, Joanna Director · appointed 2017
  • Sadler, Philip Director · appointed 2017
  • Drucker, Richard Barry Former Director · appointed 2022 · resigned 2022
  • Goldring, Louise Claire Former Director · appointed 2019 · resigned 2022
  • Exley, Lesley Margaret Former Director · appointed 2017 · resigned 2017
  • Smith, Christopher Patrick Former Director · appointed 2015 · resigned 2023
  • Carmody, Justine Lynda Former Director · appointed 2015 · resigned 2024
  • Hodgkinson, John Alan William Former Director · appointed 2015 · resigned 2017
  • Gregory, Kerry Honor Former Director · appointed 2015 · resigned 2018
  • Bonanno Patrizzi, Kathryn Leigh Former Director · appointed 2015 · resigned 2022
  • Hart, Alan David Former Secretary · appointed 2015 · resigned 2024
  • Cadzow, Jessica May Former Director · appointed 2014 · resigned 2015
  • Lambert, Jonathan Former Director · appointed 2014 · resigned 2015
  • Whittaker, Stephen Peter Lewis Former Director · appointed 2013 · resigned 2015
  • Greer, Paul Frank Former Director · appointed 2013 · resigned 2018
  • Israel, Nigel Brian Former Director · appointed 2013 · resigned 2018
  • Riley, James Henry Former Secretary · appointed 2012 · resigned 2015
  • Rankin, Andrew Hugh, Professor Former Director · appointed 2012 · resigned 2014
  • Wells, Miranda Elizabeth Jane Former Secretary · appointed 2012 · resigned 2016
  • Burland, Mary Ann Former Director · appointed 2012 · resigned 2016
  • Williams, Jason Francis Former Director · appointed 2012 · resigned 2015
  • Jordan, Steven Leonard Former Director · appointed 2010 · resigned 2012
  • Palmer, Landy Former Director · appointed 2010 · resigned 2012
  • Slater, Richard Mark Former Director · appointed 2009 · resigned 2017
  • Collins, Steven Former Director · appointed 2009 · resigned 2015
  • Jackson, Brian Former Director · appointed 2009 · resigned 2013
  • Oldershaw, Cally Jane Elizabeth Former Director · appointed 2009 · resigned 2013
  • Ogden, John Mullen, Dr Former Director · appointed 2009 · resigned 2018
  • Neale, Paul Christopher Former Secretary · appointed 2008 · resigned 2009
  • Riley, James Henry Former Director · appointed 2007 · resigned 2012
  • Barthaud, Paul Alexander Former Director · appointed 2005 · resigned 2006
  • Mccallum, Marcus Alexander Former Director · appointed 2005 · resigned 2006
  • Throgmorton UK Limited Former Corporate-secretary · appointed 2005 · resigned 2007
  • Collins, Alan Trevor, Professor Former Director · appointed 2004 · resigned 2011
  • Burgoyne, Sheila Former Director · appointed 2004 · resigned 2007
  • Everitt, Sally Ann Former Director · appointed 2004 · resigned 2007
  • Wates, Peter John Former Director · appointed 2004 · resigned 2007
  • Jobbins, Edward Allan Former Director · appointed 2004 · resigned 2006
  • Hudson, Lawrence Former Director · appointed 2003 · resigned 2005
  • Harding, Roger, Dr Former Secretary · appointed 2001 · resigned 2005
  • VAN Doren, Jean-Paul Former Secretary · appointed 2000 · resigned 2001
  • Mercer, Ian Frederick Former Director · appointed 1999 · resigned 2004
  • Stern, Evelyne Former Director · appointed 1999 · resigned 2010
  • Monnickendam, Jeffrey Former Director · appointed 1999 · resigned 2005
  • O'Donoghue, Michael John Former Director · appointed 1998 · resigned 2008
  • Emms, Eric Charles Former Director · appointed 1993 · resigned 1995
  • Cavey, Christopher Ronald Former Director · appointed 1991 · resigned 1999
  • Deeks, Noel Former Director · resigned 2001
  • Scarratt, Kenneth Vincent Granville Former Director · resigned 1992
  • Davidson, Terence Malcolm John Former Director · resigned 2008
  • Klein, Adrian Henry Former Secretary · resigned 1994
  • Thomson, Ian Former Director · resigned 2004
  • Watson, Vivian Peter Former Director · resigned 2005
  • Callaghan, David John Former Director · resigned 1993

Directors and officers on the Companies House record, current and former.

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