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Mathieu Flamini is a French professional footballer who plays for French club Marseille. He has played in England for Arsenal and Crystal Palace, and in Italy for Milan. Outside of football, Flamini's main field of interest is biochemistry. He is a co-founder of GF Biochemicals, a company that produces levulinic acid, a bio-based chemical that can be used to produce a variety of products, including biofuels, plastics and solvents.