Heinrich Wansing is Professor of Logic and Epistemology at the Ruhr-University Bochum, Germany. PhD in Philosophy at the Free University of Berlin, he had his Habilitation in Logic and Analytical Philosophy at the University of Leipzig, Germany. He was professor of philosophy of science and logic at Dresden University of Technology, Germany. Currently he is editor-in-chief of the book series Trends in Logic (Springer), the managing editor of the journal Studia Logica, and member of several others editorial boards of logic and philosophy journals. His area of interest is philosophical logic, including the semantics and proof theory of modal, constructive, paraconsistent, connexive, many-valued, and other non-classical logics.