Join Terras Tuscany | June 2-4, 2026 →
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Terras is a global network for leaders committed to climate action
Terras is a global network of senior leaders driving the future of sustainability. Membership and curated gatherings connect leaders across business, finance, policy, and philanthropy.
Invite-only membership and events uniting senior leaders across business, finance, policy, and philanthropy.
Year-round connections through tailored introductions, member calls, and city meetups.
Small, highly selective gatherings designed to foster trust and meaningful exchange.
Off-the-record conversations in a distraction-free setting where leaders speak openly.
Panels and workshops built around what leaders are actually navigating.
Every attendee is invited for what they contribute, not just their title.
Every conversation is designed to generate insight, not transactions.
Connections extend well beyond any single gathering through year-round membership.
Terras members are C-suite leaders and senior decision-makers responsible for strategy, capital allocation, governance, and sustainability across complex global organizations.
95%
C-suite or equivalent
25+
countries represented
The political headwinds facing sustainability, the shifting regulatory landscape, and the strategic decisions that will define the next decade of corporate leadership.
250+
senior leaders
1
trusted community
Our Advisory Board brings together senior leaders from business, policy, and civil society.
Partner, WilmerHale
Legal
Capital Markets
Public Markets
Managing Director, Hamilton Clark
Capital
Energy
Policy
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Fmr. Chief Sustainability Officer, Starbucks
Retail
Public Company
Private Wealth
Chief Sustainability Officer, Steve Madden
Fashion
Public Company
ESG Strategy
Founder and Co-Head, Global Sustainability Practice at Russell Reynolds Associates
Leadership
Talent
Capital Markets
Terras was founded by Marvin Rottenberg to bring sustainability leaders together through real human connection. Built on the belief that bold ideas emerge in intimate settings, Terras creates space for collaboration, reflection, and action on today’s most urgent climate challenges.
What is shared in the room stays in the room.
We give as much as we receive. No solicitation.
Progress comes from cooperation across sectors.
Impact is strongest when values and business align.
Executives from leading companies are active across Terras memberships and gatherings worldwide.
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