Studies in theoretical condensed matter physics. James Martin Lecturer in Complex Systems; Deputy Director, Institute for Science, Innovation and Society; Fellow, Green Templeton College. Founding Co-Director, CABDyN (Complex Agent-Based Dynamic Networks) Complexity Centre, launched in 2003 to coordinate complex systems research activities across Oxford and to build bridges between different disciplines. Research focuses on developing interdisciplinary approach to understanding dynamical and functional properties of complex networks in different contexts & the emergence of collective behaviour in complex systems.