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Co-founder and president - The Ex'tax Project




Co-founder and president - The Ex'tax Project

Femke Groothuis is author, speaker and advisor in the field of taxation, business and the inclusive circular economy.

She is the co-founder and president of The Ex’tax Project (, a think tank focused on opportunities to shift the tax burden from labour (work) towards the use of natural resources (such as water, fossil fuels, and carbon emissions).

Since 2009, Groothuis has published a series of reports on the taxshift and she has presented on more than 100 stages around the world. Between 1999 and 2009 she was Investment Manager at Ex’tent Green Venture Capital, a pioneering impact investment fund.

As a political scientist she has more than 25 years of experience in international relations and environment.