James LenmanJames W. Lenman is a British philosopher and Professor of Philosophy at the University of Sheffield.He is known for his expertise on ethics.Lenman is a former president of the British Society for Ethical Theory.BooksConstructivism in Practical Philosophy, edited by James Lenman and Yonatan Shemmer, Oxford University Press, 2012, Oxford University Press, 2024, with Ben Bramble, Routledge, 2025