Ideas into practice
Explore how Cradle to Cradle principles move from research and design into products, organizations, cities, and policy.
Join a curated international cohort of students and emerging professionals for three days of learning, research, sustainability, and global networking connected to the 10th International Cradle to Cradle Congress.
Payment is made in full at reservation and secures the current pricing tier. Final activities remain subject to written operational confirmation.

More than conference access.
Preparation before arrival, a curated cohort during the event, and meaningful follow-up after Berlin.
Prepare · Research · Connect · Continue
Why C2C matters
The 10th International Cradle to Cradle Congress connects research, business, policy, design, and implementation around Cradle to Cradle and the circular economy. It is a rare opportunity to understand how circular transformation happens in practice and to build relationships across borders.
Explore how Cradle to Cradle principles move from research and design into products, organizations, cities, and policy.
Engage with researchers, companies, institutions, and practitioners working on circular transformation.
Enter an international environment where sustainability knowledge, collaboration, and future opportunities meet.
The ecosystem behind it
The experience takes place at the heart of one of the world's leading gatherings on Cradle to Cradle and the circular economy, hosted at Technical University of Berlin.

C2C × TU Berlin · Berlin
On September 16 and 17, TU Berlin hosts the Research Symposium on Cradle to Cradle and the Circular Economy, connecting leading research, new perspectives, and practical application.
Then, on September 17 and 18, the campus hosts the 10th International Cradle to Cradle Congress, bringing together around 1,000 participants from around the world to turn knowledge into real impact.
One of Europe's leading technical universities.
Around 1,000 participants across business, research, and government.
Ideas, connections, and tools for real impact.
TU Berlin provides the context. C2C brings together the ecosystem. The experience puts you inside it.
The IW difference
IW prepares you before Berlin, supports you through a curated cohort, and helps you convert exposure into direction afterward.
Define goals, refine your introduction, and understand how to navigate the experience.
Participate in curated research, learning, and Congress-related activities.
Meet peers, researchers, institutions, and sustainability leaders with intention.
Turn conversations and insights into follow-up and future opportunities.
What is included
The value is in the preparation, curation, cohort, access pathway, and continuity surrounding the official event.
Your purchase includes one official ticket for the 10th International C2C Congress, issued after IW submits the confirmed participant details to the organizers.
Registration support and curation for relevant research-oriented programming.
A practice-focused visit that is not included unless and until IW confirms it in writing.
Orientation, personal objectives, networking strategy, and cohort expectations.
A limited group of students and emerging professionals selected for fit.
Guidance on introductions, priority contacts, follow-up, and relationship building.
A proposed IW closing session connecting insight, leadership, and next steps.
Experience structure
Begin with context, academic exposure, and cohort preparation before the main Congress days.
Navigate the Congress with clearer objectives, curated session priorities, and intentional networking targets.
Consolidate learning, deepen relationships, and translate the experience into practical next steps.
Why IW × Domitila
Interchanging World was born from a passion for education and global opportunities. Domitila Barros built her journey between Brazil and Germany, combining impact, sustainability, and human connection. Together, these two stories turn Berlin into a real gateway to new paths.

Founding Impact Advisor
Voice · Connection · Impact
From Brazil to Germany, Domitila transformed an international journey into a platform for sustainability, representation, and social impact, using visibility, leadership, and human connection to open doors for others.
Strengthens IW’s global impact positioning through sustainability leadership, international visibility, strategic partnerships, and connections across Brazil, Germany, and the global impact ecosystem.
Domitila Barros on LinkedIn
Founder
Prepare · Structure · Empower
Interchanging World was created to replace scattered information with a clearer pathway from preparation to global opportunity. Winder leads the strategy, cohort design, institutional outreach, and execution of the experience.
IW’s contribution: experience design and coordination, participant preparation, networking strategy, institutional outreach, support throughout the journey, and continuity of opportunities after the event.
Winder Pessoa on LinkedInThe shared vision
The experience is built around a simple belief: access matters most when people are prepared to use it. Domitila’s story, Winder’s education pathway vision, and the C2C learning environment come together to create a bridge from global participation to meaningful next steps.
“The goal is not simply to attend. It is to enter with clarity, connect with intention, and leave with momentum.”
Who it is for
A preview of the places, conversations, and collaborative learning that shape an IW event.

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Pricing
Every participant gets the same core IW experience. The earlier you join, the lower the price.
Lot 1 filled: 10 of 10 seats claimedThe first 10 seats sold at €149. Lot 2 is now open at €159.
Lot 1 · Founding release
€149
10 of 10 seats claimed
Sold out
Lot 2 · Open now
Open now€249
€159
IW ScholarshipAwarded by Interchanging World
Next 10 seats
Next price: €349
Lot 3 · Next release
€349
Opens after Lot 2 fills.
Not yet available
Lot 4 · Final release
€419
The final price for this experience.
Opens at the final tier
Why the IW layer matters
Complete the buyer, invoice, and participant details before Stripe securely collects payment.
Frequently asked questions
No. Your purchase includes one official ticket for the 10th International C2C Congress, plus IW preparation, cohort participation, curation, and post-event follow-up. Proposed private activities are only included after written confirmation.
No. Participants arrange and pay for airfare, accommodation, insurance, local transportation, and personal expenses independently.
No. Graduate students, researchers, and emerging professionals may also be a strong fit.
Participants should be comfortable engaging in English. Final language arrangements should be confirmed in onboarding materials.
No. The C2C LAB visit is planned but has not received final written confirmation and is not currently included. IW will notify participants if it is confirmed.
No C2C certificate is currently included. If C2C provides written approval later, IW will notify participants and explain any attendance requirements.
No. Each participant is responsible for travel eligibility, documentation, visas where applicable, insurance, and border-entry requirements.
The Global Cohort Experience is paid in full at the moment you reserve, in a single payment. There is no deposit and no balance to settle later.
You receive confirmation, complete your participant profile, and join the pre-event preparation process.
Enter one of Europe’s leading sustainability ecosystems with greater clarity, confidence, and direction.
Reserve for €159