Andrew Jonathan Agg

b. 1969

Sits on 4 boards. Last updated September 28, 2026

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Time on boards

Boards served
7
Current seats
4
Board service
43 years
Director since
2013

43 years of board service in total across 7 boards, counting each seat separately. Longest: National Grid Holdings One PLC, 10 years.

National Grid Holdings One PLC Director
10 years · Since 2016
NGG Finance PLC Director
10 years · Since 2016
National Grid PLC Director
7 years · Since 2019
National Gas Transmission PLC Director
4 years · 2013 – 2018
National Grid Electricity Transmission PLC Director
4 years · 2013 – 2018
Weir PLC Director
2 years · Since 2024
Cadent Finance PLC Director
1 year · 2016 – 2017

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