Catherine Margaret Porter

b. 1965

Last updated September 28, 2026

Time on boards

Boards served
2
Board service
7 years
Director since
2021

7 years of board service in total across 2 boards, counting each seat separately. Longest: Omnicom Capital Holdings PLC, 3 years.

3 years · 2021 – 2025
3 years · 2021 – 2025

Questions about Catherine Margaret Porter

What boards has Catherine Margaret Porter served on?

Catherine Margaret Porter has served on the boards of Omnicom Capital Holdings PLC and Omnicom Finance Holdings PLC.

How long has Catherine Margaret Porter served on boards?

Our records show at least 7 years of board service across 2 boards, the earliest from 2021.

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