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One membership.

Endless possibilities.

Terras membership connects senior leaders across business, finance, policy, and philanthropy year-round to build the relationships that drive real impact.

The Terras membership

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Peer network

A highly vetted community of senior leaders across business, finance, policy, and philanthropy in 25+ countries.

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Board access

Monthly office hours with Terras Advisory Board members for one-on-one strategic guidance and perspective.

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Member calls

Regular, off-the-record conversations with fellow members on strategy, governance, and the issues that matter right now.

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Event priority

Priority access and a 15% member discount across all Terras events in Tuscany, New York, Singapore, at COP, and beyond.

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Global meetups

Quarterly in-person gatherings in cities like New York, London, and San Francisco to deepen relationships beyond the screen.

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Tailored introductions

Direct connections to the right people in the network, whether you're looking for peers, partners, or investors.

Meet the Terras members

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Nancy Mahon

Chief Sustainability Officer at Estée Lauder

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Michael Kobori

Fmr. Chief Sustainability Officer, Starbucks

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Anisa Kamadoli Costa

Chief Sustainability Officer at Rivian President & Trustee of Rivian Foundation

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Gregg Meyer

Chief Sustainability Officer at Steve Madden

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Teresa Johnson

Partner at WilmerHale

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Robert H. Edwards Jr.

Managing Director at Hamilton Clark

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Kurt Harrison

Founder and Co-Head, Global Sustainability Practice at Russell Reynolds Associates

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Iris Van der Veken

Executive Director at WJI 2030

What unites us

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Confidentiality

What is shared in the room stays in the room.

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Reciprocity

We give as much as we receive. 
No solicitation.

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Cross sector collaboration

Progress comes from cooperation across sectors.

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Purpose with perspective

Impact is strongest when values and business align.

Why leaders choose Terras

Trusted community

A curated network of senior leaders driving meaningful climate action and collaboration.

Strategic exchange

Terras members access unique conversations, gatherings, expert insights, and peer learning.

Real-world collaboration

In-person events, city meetups that foster trust, momentum, and long-term partnerships.

What members get

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Build trusted relationships with peers advancing the sustainability agenda across industries

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Get tailored introductions to peers, partners, and investors aligned with your goals

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Regular, off-the-record member calls focused on strategy, governance, and transformation

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Monthly office hours with Terras Advisory Board members for one-on-one strategic guidance

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Priority access and a 15% member discount across all Terras events

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Access to our private member platform, including a member directory and local chapter networks

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Quarterly in-person member meetups

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Public affiliation as a Terras member on our website and social channels

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Thought leadership opportunities through Terras publications, articles, and content features

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Terras membership supports the next generation of leaders through the Terras Fellowship

Membership is by invitation only.
Starting at €2,850 per year (individual) or €4,550 (two seats).

Trusted by senior sustainability leaders from

How to become a Terras member

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Apply or get referred

Most members are introduced by someone already in the Terras network. You can also apply directly. We review every application personally and look for senior leaders who bring a distinctive perspective across sectors and borders.

Connect

Once your application is reviewed, a member of our team will reach out for a brief conversation to learn about your work, your goals, and what you're looking for in the network.

Receive your invitation

Accepted applicants receive a formal invitation to join Terras. 
We are selective because the quality of the network depends on every person in it.

Get started

Your membership is activated immediately. You'll receive access to the member platform, the directory, upcoming calls and gatherings, and a personal introduction to the community.

Frequently asked questions

How much does membership cost?

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€2,850 per year. Many members are reimbursed through leadership, sustainability, or development budgets. We can provide invoices or supporting documents if needed.

What does the Terras membership include?

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Tailored onboarding and curated introductions, access to the member directory and platform, bi-weekly member calls with senior leaders, quarterly in-person meetups in London, New York, San Francisco, Washington DC and other cities, monthly Board Office Hours with Terras Advisory Board members, thought leadership opportunities through Terras publications and content, 15% discount and priority access to all Terras events, and public affiliation with Terras on our website and channels.

How do I join?

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Membership is by invitation only. You can apply through our website or be referred by an existing member or Advisory Board member.

Can I experience Terras before committing to a membership?

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Yes. Before deciding to join, you are welcome to attend a member call or an in-person meetup as our guest. This way, you can experience the community first-hand and decide if Terras is the right fit for you.

What is the Terras Fellowship?

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The Terras Fellowship is designed to support the next generation of sustainability leaders. When a senior leader joins as a member, they can nominate a junior colleague to join as a Terras Fellow at no additional cost. Fellows get access to the same network and programming, helping them grow alongside experienced peers.

What is the time commitment?

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Participation is flexible. Member calls, meetups, and events are all optional. You engage as much or as little as your schedule allows. Members receive priority access and discounted rates to all Terras events, but attendance is not required.

Is the fee refundable?

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No. Once you join, we begin onboarding, preparing introductions, and reserving your place in member programming immediately. Because this work starts right away, the fee is non-refundable.

Can I transfer my membership to a colleague?

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Please contact us to discuss your options. Transfers may be possible on a case-by-case basis.

Can my company refund or reimburse the membership?

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Yes. Many members are reimbursed through leadership, sustainability, or development budgets. We can provide invoices or supporting documents if needed.

Terras Membership