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Company · Stratford-upon-Avon

The International Society for Trenchless Technology

Other professional, scientific and technical activities n.e.c.

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Official record Companies House · updated 27th September 2026 · Sources

Network

The large node is The International Society for Trenchless Technology. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 55

  1. Shou, Keh Jian, Chair 2022-2026 Director View profile
  2. Smeallie, Peter, Executive Director 2017-2024 Director View profile
  3. Jens HÖElterhoff 2017-2017 Director View profile
  4. Matthew Izzard 2017-2017 Director View profile
  5. Albert Shou 2016-2017 Director View profile
  6. Jari Kaukonen 2015-2025 Director View profile
  7. Dr Sam Ariaratnam 2015-2017 Director View profile
  8. Sanislav Lovecky 2013-2017 Director View profile
  9. Yasin Torun 2013-2017 Director View profile
  10. Takehiro Toyoda 2012-2015 Director View profile
  11. Norman Howell 2012-2012 Director View profile
  12. Enrico Boi 2012-2023 Director View profile
  13. Gerda Hald 2012-2015 Director View profile
  14. Michael J. Willmets 2011-2012 Director View profile
  15. Jeffrey Adrian Pace 2011-2017 Director View profile
  16. Jean-Marie Joussin 2008-2012 Director View profile
  17. Olga Martynyuk 2008-2012 Director View profile
  18. Samuel Ariaratnam 2008-2013 Director View profile
  19. Prof Jens Hoelterhoff 2008-2012 Director View profile
  20. Derek Choi 2008-2017 Director View profile
  21. Mikko Isakow 2005-2012 Director View profile
  22. Paolo Trombetti 2005-2012 Director View profile
  23. Gerard Arends 2001-2008 Director View profile
  24. Stanislav Drabek 1999-2011 Director View profile
  25. Esposto, Feliciano, Doctor 1999-2001 Director View profile
  26. Declan Boyd Downey 1999-2013 Director View profile
  27. Professor Dr Milos Rudolf Karous 1999-2008 Director View profile
  28. Manfred Eisenhut 1999-2003 Director View profile
  29. Professor Daniel Du Hsin Jiang 1999-2002 Director View profile
  30. Professor Ray Sterling 1998-2012 Director View profile
  31. Sergio Sanoner 1998-1999 Director View profile
  32. Martin James Kane 1998-1999 Director View profile
  33. Adhir Kumar Sarkar 1998-2005 Director View profile
  34. Krcik, Marian, Doctor 1998-2007 Director View profile
  35. Dr Sandor Bartos 1998-2000 Director View profile
  36. Rolf Hans Georg Bielecki 1996-2005 Director View profile
  37. Richard Fraser 1996-1998 Director View profile
  38. Ivo Vavra 1996-1999 Director View profile
  39. Pietro Lonardo 1996-1999 Director View profile
  40. Philip John Coller 1996-1998 Director View profile
  41. Michel-Georges Mermet 1994-2003 Director View profile
  42. Michel Pierre Marie Audouin 1994-2008 Director View profile
  43. Satoru Tohyama 1994-2002 Director View profile
  44. Stein, Dietrich Hans Helmut, Prof Dr Ing 1994-2005 Director View profile
  45. Menno Henneveld 1994-2011 Director View profile
  46. Gert Henning Fischer 1994-2005 Director View profile
  47. Jean-Pascal Gendre 1994-2004 Director View profile
  48. Nictor Libertus Molenaar 1994-1996 Director View profile
  49. Alan Thorne 1991-1999 Director View profile
  50. Edward Wasley Flaxman 1998 Director View profile
  51. Peter Alan Banks 1997 Director View profile
  52. John Philip Smith 1991 Director View profile
  53. John Graham Hemphill 2008-2019 Secretary View profile
  54. John Michael Castle 1998-2009 Secretary View profile
  55. Sutro, Jon Leopold, Colonel 1998 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

What it does
Other professional, scientific and technical activities n.e.c.
Incorporated
08/09/1986
Registered office
Stratford-upon-Avon
Also a registered charity
The International Society for Trenchless Technology

Financials

Net assets
£316,889
Total assets
£316,889
Employees
2
Turnover
Not reported (small or micro-entity accounts)

Figures from accounts filed at Companies House (iXBRL), period ending 2024-12-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.

Board analysis

Board DNA

How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.

3 directors on the board

5y median 3.8y
average tenure
8.9y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (3)

0
also govern a charity

Left in the last 12 months

Sources

Official record from Companies House. Governance Register calculates the connections.

Record details
Company number
02053569
Status
Active
Type
PRI/LBG/NSC (Private, Limited by guarantee, no share capital, use of 'Limited' exemption)
Accounts next due
30/09/2027
Edition
Register edition compiled 27th September 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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