Penelope Mackie (/ˈmæki/) is a philosopher and Associate Professor in the department of philosophy at the University of Nottingham, and is head of the department (since 2007). Mackie has also held positions at the University of Birmingham (1994–2004), as lecturer; a fixed-term fellowship at New College, Oxford, (1990–1994); Assistant Professor of Philosophy at Virginia Commonwealth University (1987–1990); a visiting lecturer at the University of Maryland (1986–1987); and, has lectured at various Oxford colleges. Research interests are from a variety of topics including metaphysics and the philosophy of causation. Dr Mackie is the daughter of philosopher J. L. Mackie.