Gerard F. Tierney is a member of:

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DOCUMENTARY ASSOCIATION OF EUROPE

This link leads to their website:

https://dae-europe.org/

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and of the UK's DOCUMENTARY FILM COUNCIL

This link leads to their website:

https://documentaryfilmcouncil.co.uk/

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and of

RADICAL FILM NETWORK

This link leads to their website:

https://radicalfilmnetwork.com/