Campaign Collective
Campaign Collective
GLOBAL
GLOBAL
We specialise in international, high-level narrative shift work — helping prominent voices across sectors bring marginalised and radical climate and nature ideas into the mainstream, and creating political space for decision-makers to safeguard a liveable planet.
We specialise in international, high-level narrative shift work — helping prominent voices across sectors bring marginalised and radical climate and nature ideas into the mainstream, and creating political space for decision-makers to safeguard a liveable planet.
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Who we are
Fiscally hosted in the UK by The Social Change Nest
Fiscally hosted in the UK by The Social Change Nest
Who we are
Who we are
Zoe Tcholak-Antitch & Callum Grieve
Zoe and Callum each have 20 years experience working with non-profits in the climate and nature space. They helped co-found Campaign Collective in 2021.
Outside her work at Campaign Collective, Zoe provides strategic communications advice to the UN Foundation, Global Optimism, and Brave Space. She was previously Communications Director for the Global Commons Alliance from 2021-2025; Communications Director for Christiana Figueres’ Mission 2020 campaign from 2016 - 2020; and the head of CDP’s North America office, which she founded in 2006 after joining CDP in London in 2004.
Callum was previously Communications Director for Sustainable Energy for All from 2016-2018; Communications Director for We Mean Business from 2014 - 2016; co-founder of Counter Culture from 2010 - 2014; and Communications Director for The Climate Group from 2005 - 2009. Before that, Callum helped provide strategic communications support for an array of sustainability leaders including Nobel Peace Prize winner Dr. Wangari Maathai.
Zoe Tcholak-Antitch & Callum Grieve
Zoe and Callum each have 20 years experience working with non-profits in the climate and nature space. They helped co-found Campaign Collective in 2021.
Outside her work at Campaign Collective, Zoe provides strategic communications advice to the UN Foundation, Global Optimism, and Brave Space. She was previously Communications Director for the Global Commons Alliance from 2021-2025; Communications Director for Christiana Figueres’ Mission 2020 campaign from 2016 - 2020; and the head of CDP’s North America office, which she founded in 2006 after joining CDP in London in 2004.
Callum was previously Communications Director for Sustainable Energy for All from 2016-2018; Communications Director for We Mean Business from 2014 - 2016; co-founder of Counter Culture from 2010 - 2014; and Communications Director for The Climate Group from 2005 - 2009. Before that, Callum helped provide strategic communications support for an array of sustainability leaders including Nobel Peace Prize winner Dr. Wangari Maathai.
Contact us
Fiscally hosted in the UK by The Social Change Nest
Fiscally hosted in the UK by The Social Change Nest