Before coming to King’s College London, Maria Alvarez was a lecturer at the University of Southampton, having previously taught at the universities of Oxford and Reading. Maria is also a member of the Executive Committee of the British Philosophical Association. Her research interests include the philosophy of action, including the metaphysics and explanation of actions, reasons for action, agent causation, and the problem of free will and moral responsibility. This podcast is an audio recording of Maria's talk - "Agency and Two-Way Powers" - at the Aristotelian Society on 10 December 2012. The recording was produced by Backdoor Broadcasting Company in conjunction with the Institute of Philosophy, University of London.