He served as Head of Department of Philosophy at York in 2006 - 2014 .
He has lectured at the University of Oxford between 1994 and 2000 , before moving to the University of York where he was Lecturer , then Reader , and , from 2008 , Professor .
Lecturer served as Head of Department of Philosophy at York in 2006 - 2014 .
He has lectured at the University of Oxford between 1994 and 2000 , before moving to the University of York where he was Lecturer , then Reader , and , from 2008 , Professor .