Although individuals are expected to benefit from selfish behaviour; cooperation is not only commonplace in nature, but is of profound evolutionary and social significance, being responsible for most of the major evolutionary transitions. I am interested in the mechanisms that promote and maintain cooperation in a variety of systems. I aim to elucidate the mechanisms that maintain cooperation in interactions where partners may otherwise be tempted to exploit one another. In parallel, I investigate the ecological causes and evolutionary consequences of individual variation in cooperative behaviour. To answer these questions, I work on a variety of systems, including humans and non-human animals.

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