MS
About
Matthieu Stefani is a French Paris based entrepreneur who launched Citizenside.com in 2005, www.buump.com & www.ironCards.com in 2011 and www.CosaVostra.com in 2012. He is also the Morphsuits licensee for France, Switzerland and Belgium. He has founded CosaVostra in january 2011, a Paris based digital agency that helps companies to find their hidden startups inside of them, and to help foreign web companies to launch their websites in France. Born in Cherbourg, France in 1979, he was the first employee of the french free daily newspaper Metro (www.metronews.com).
Position in the VCSift Database
- • 1,349 investors hold the Founder and CEO role in VCSift. Matthieu Stefani is one of them.
- • 2,833 investors are based in Paris, Ile-de-France, France.
Data sourced from 410,343 investor profiles. Updated July 2026.
Investment Focus
- Location
- Paris, France
Contact Information
linkedin.com/in/••••••••
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