Mathematician and political scientist in Berlin. For several years, he was a collaborator of Marx Engels Gesamtausgabe (MEGA).

He was visiting Professor at the University of Vienna and at the University of Nanjing. He is affiliated researcher in the Center for Studies of Marxist Social Theory at Nanjing University. Until 2016, he was Professor of Economics at Hochschule fuer Technik und Wirtschaft, Berlin. He published several books and numerous articles about Marx’s Critique of Political Economy. His “Introduction to the Three Volumes of Karl Marx’s Capital” (Monthly Review Press 2012) meanwhile appeared in ten languages. Next year, Brill will publish an English translation of his “Science of Value”. With his latest book “Karl Marx and the birth of Modern Society” (Monthly Review Press, New York 2019), he started a four-volume work about Marx’s biography and the evolution of his works.