Professor Jonathan Birch is a Professor of Philosophy at the LSE known for his work on animal sentience. In 2021, he led a "Review of the Evidence of Sentience in Cephalopod Molluscs and Decapod Crustaceans" that led to invertebrate animals including octopuses, crabs and lobsters being included in the UK government's Sentience Bill. In 2024, he published The Edge of Sentience: Risk and Precaution in Humans, Other Animals, and AI.