2001- : Reader in philosophy of physics and fellow of Linacre College, University of Oxford
1996-01: University lecturer and fellow of Linacre College, University of Oxford.
1995-96: Associate professor, Department of Philosophy, Harvard University.
1990-95: Assistant professor, Department of Philosophy, Harvard University.
1989-90: Postdoctoral fellow, Sidney Edelstein Centre for for the History and Philosophy of Science, Hebrew University of Jerusalem.
1988-89: British Academy Fellow and Senior Research Fellow, Wolfson College, Oxford.
1985-88: Junior Research Fellow, Wolfson College, Oxford.
2007-2008: FQX(i) major award, "Everett@50"
May-Sep, 2005: Visiting Professor, Perimeter Institute of Theoretical Physics, Waterloo, Canada.
April 2005: Green College Lecturer, University of British Columbia.
Jan-Mar, 2005: AHRB Research Fellowship, CREA, Polytechnique de France.
Sep 2002-Aug 2003: Leverhulme Research Fellowship, University of Oxford.
Sep 2001-Jan 2002: Visiting Professor, Harvard University.
Sep 1998-Jan 1999: Visiting Professor, Harvard University.
Sep 1988-Aug 1989: "Thank offering to Britain" British Academy Research Fellowship.