David S. Oderberg is Professor of Philosophy at the University of Reading, England and current Head of Department. He is the author of six books including Real Essentialism (2007) and The Metaphysics of Good and Evil (2020), as well as editing or co-editing several others in logic, metaphysics, and ethics, including Classifying Reality (2013). He is also the author of over seventy articles in metaphysics, philosophy of biology, ethics, philosophy of religion, and other subjects. In 2013 Professor Oderberg delivered the George Hourani Lectures at SUNY Buffalo. He also edits Ratio, an international journal of analytic philosophy, and is a Senior Fellow of the Higher Education Academy, UK.