Toby has held a British Academy Postdoctoral Fellowship at Balliol College, Oxford, and is currently a James Martin Research Fellow at the Future of Humanity Institute. His current research focus is population ethics. He completed BPhil and PhD degrees at the University of Oxford.
Toby founded Giving What We Can and donates everything he earns above £18,000 to charity. His work on cost-effective philanthropy has received extensive coverage in the international media.