Jack Ostrowski

Jack is a serial entrepreneur in sustainable fashion.


He is the founder and CEO of Yellow Octopus Fashion, founder and CEO of reGAIN app and a major investor and board director of reflaunt.com.

Jack not just believes in, but he implements “commercial sustainability” successfully by building profitable business models focusing on Sustainable Fashion and Circular Economy.

Multiple business awards’ recipient including The Queens’ Award for Enterprise and EDIE Sustainability Leaders Awards 2019.


Detailed bio coming soon.

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