Craig Callender is a Professor of Philosophy and Co-Director of the Institute for Practical Ethics at UC San Diego. Prior to that he worked in the Department of Philosophy, Logic & Scientific Method at the London School of Economics. He is the President of the Philosophy of Time Society, and studies and teaches the philosophy of science, the philosophy of physics, metaphysics, and environmental ethics. Professor Callender is a speaker at this year's Festival for the Brain on Great Barrier island, organised by the island's Rural Women branch.