John Piers Williamson

b. 1961

Last updated September 28, 2026

Time on boards

Boards served
12
Board service
194 years
Director since
2002

194 years of board service in total across 12 boards, counting each seat separately. Longest: Haven Funding (32) PLC, 21 years.

21 years · 2002 – 2024
21 years · 2002 – 2024
21 years · 2002 – 2024
21 years · 2003 – 2024
21 years · 2003 – 2024
20 years · 2003 – 2024
19 years · 2004 – 2024
14 years · 2009 – 2024
12 years · 2011 – 2024
11 years · 2013 – 2024
5 years · 2018 – 2024
2 years · 2021 – 2024

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