Siem Haffmans

Partner & Strategic advisor circular economy

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My mission: all products and packaging are sustainable and designed for a circular economy.

Siem Haffmans



Siem Haffmans supports companies to realize sustainable product innovations, through combining his knowledge of sustainable design, production and markets. With his extensive network in different markets he connects companies that can realise profitable solutions together.  As an Industrial Designer (TU Delft), he has been working on strategic advice in the field of EcoDesign, Sustainable Packaging and the transition to a circular economy for over 25 years. He worked as a researcher at TNO and as a (guest) lecturer at the Gerrit Rietveld Academy, TU Delft and the Dutch Packaging Centre.

Siem is founder of Ragbag, a brand for fair trade and recycled bags from India. Siem is also writer of  Products that Flow, a book about circular design strategies and business models for fast moving consumer goods.


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