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Israel campaigner mobilises thousands through WhatsApp

Tabatha Caplan is the founder of the Shield of David advocacy group

August 13, 2025 15:45
Tabatha Caplan
Tabatha Caplan
2 min read

Dog trainer by day, antisemitism combatant and Israel advocate by night is a good way to characterise Tabatha Caplan’s life over the past few months.

Since May, when Caplan decided to take action and expand Shield of David, a grassroots campaigning organisation dedicated to defending Israel and fighting antisemitism, her life has become incredibly busy.

The Cambridge graduate, who was at the university at the same time as fellow Jewish students Rachel Weisz and Sacha Baron Cohen, set up Shield of David, which enables people to join email campaigns and sign petitions, three years ago. The organisation originally communicated via a Facebook group, before moving onto WhatsApp after October 7.

Caplan said: “After October 7, I think many of us felt like we had to have a reset.

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