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Connect with top CSOs at exclusive, unscripted gatherings at global events.
No vendors, no pitches.
No vendors, no pitches.
What is the CSO Circle?
CSO Circle is a private fellowship for Chief Sustainability Officers of €1+ BN revenue companies, providing high-impact networking and collaboration opportunities.
Why Join?
Exclusive & Invite-Only
Meet top 100 CSOs globally — free of presentations and sponsors.
Unscripted, High-Impact Meetings
Deep conversations and strategic insights at the world’s top sustainability events.
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Safe Space for CSOs
Connect with peers facing similar challenges in a trusted, non-public environment.
Where We Meet
A curated selection of the most important sustainability events worldwide. Join intimate, high-level gatherings at these global forums:
January 2025
Davos, World Economic Forum 2025
June 2025
London Climate Action Week 2025
September 2025
New York Climate Week 2025
November 2025
COP 30, Belém, Brazil
January 2026
Davos, World Economic Forum 2026
Membership Benefits
01
CSO Awards
CSO Awards
CSO Awards
Free participation in our annual CSO Awards in Davos, New York or COP 30
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02
CSO Leadership Forum
CSO Leadership Forum
CSO Leadership Forum
1 free ticket for an Executive Conference Programme
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03
CSO Receptions & Events
CSO Receptions & Events
CSO Receptions & Events
Free participation in different CSO receptions, e.g. Paris ChangeNow, Cannes Film Festival, etc.
04
Monthly Online Meeting
Monthly Online Meeting
Monthly Online Meeting
Free access to an online CSO Circle Meeting (First Friday, ca. 11–12 Noon).
Nobody needs to do it alone.
Human connection makes things happen.
Unscripted & in real life.
Human connection makes things happen.
Unscripted & in real life.
Join your Peers!
Your application will be reviewed personally, and we will reach out to you shortly. If we are a match, your fellowship can start right away.
