Take a stand, change fashion.

You can be the change creator in the industry.
Our servicesOnline courses


RethinkRebels offers sustainability advice for professionals to master, feel confident, and absolutely ready to build a purpose-led future.

Launch your sustainability process with a clear roadmap and guidance from us.

Sustainability Consultancy

Online training programs for sustainable and circular fashion.

Online Courses

With transparency comes trust. We help you to communicate from the inside out and make real connections.

Transparant Communication

Get future proof and ready to implement circular business innovations.

Circularity Projects

Join us. We’re ready to guide and coach, to take the next step, and become an expert in this field.

Sustainability Coaching

Pass the mic! Hear from Rachel and her journey on the path to sustainability and circularity.


NEW! Join our online courses and learn everything you need to know sustainability and circularity.

RethinkRebels Academy

Join our RethinkRebels Academy

Get to meet like-minded sustainability-focused individuals - learn and grow together.

Learn from experts, alongside your peers. We’ve created a flexible, online learnings and courses with hands-on assignments, tools/news, live Q&A sessions and workbooks.

18 tips mockup

New! Download our FREE

18 Tips Roadmap

Shift your habits, bust limiting beliefs, and get the network you need to make that step and become that leader and fashion professional you want to be!


Get started now with insights and strategies from RethinkRebels. We’ve created this page with blogs, articles, videos and podcasts to get yourself updated about sustainability.

On a mission to

change fashion.

Rachel Cannegieter has spent over 20 years creating breakthroughs and transforming the fashion industry.

What our users say…

Jeroen Markink

They built our sustainability strategy and helped us to stay in the Textile Covenant. With RethinkRebels' help, we were able to show the Social Economic Council that we had made good steps that allowed us to stay in the Textile Covenant.

Jeroen Markink
Director Procurement and Merchandising
sara toth

We increased our brand portfolio by 5% by collaborating with RethinkRebels. They bring real-life examples and exciting figures, moreover, they articulate your thoughts in a way that is enjoyable, useful, and easy to understand. 



Sara Toth
Anne Karine Lemstra

They make sustainability FUN with their can-do attitude and immense drive for change. RethinkRebels is a perfect fit for our company, within a short time we had a sustainability strategy, immediate actions, tools, motivated all stakeholders, and made sustainability fun. 

Anne Karine Lemstra
Vice President Product Management & Sustainability
PF Concept

Our users and partners include leading industry organisations and businesses who share the common belief that we have to be rebellious to improve the future of the fashion industry.

Our clients

Our partners

Tos Gallery
Brand District
ETP dressed identities
Totote studio
Euretco Fashion

Our partners

Universiteit van Amsterdam
Control Union
Control Union

10% for the people & planet

Being able to give back to various grassroots fashion + sustainability charities and no-profits empowers others and is the right thing to do. Annually, we donate 10% of profits to various fashion + sustainability charities and non-profits that are doing amazing work. In honour of our 2021 revenue, we have donated to Trees for All.