Education:

University of Oxford                         

                1974  B.A.  P.P.P. (Psychology & Physiology) Corpus Christi College

University College of North Wales  

                1978  Ph.D.  Cognitive Psychology

Professional Employment:

1976-1991      Tutor (Part-time), Open University

1978-1990      Lecturer in Psychology, University College of North Wales

1990-1994      Senior Lecturer in Psychology, U.C.N.W.

1992               Visiting Professor, Temple University Japan

1994-1998      University Reader in Psychology, U.C.N.W.

1998-2004      Professor of Psychology, University of Wales Bangor

1998-2002      Editor, Language Learning 

2003               Visiting Professor, Applied Language Studies and Linguistics,  University of Auckland

2004-              Professor of Psychology, University of Michigan, Ann Arbor

2004-              Research Scientist English Language Institute, University of Michigan

2004-              Honorary Research Fellow, School of Psychology University of Wales Bangor

2006-2020      General Editor, Language Learning      

2008-              Associate Faculty, Center for the Study of Complex Systems, University of Michigan     

2009-              Professor of Linguistics, University of Michigan, Ann Arbor

2011               Visiting Researcher, ESRC Centre for Research on Bilingualism, Bangor University [Feb-Mar]

2011               External Senior Fellow, FRIAS (Freiburg Institute for Advanced Studies) [May-June]

2012               Ian Gordon Fellow, LALS, Victoria University, Wellington, New Zealand [July]

2013               Faculty, Linguistic Society of America Summer Institute [Jun-Jul]

2014               Distinguished Visiting Lecturer, Temple University Japan [Jun]

2016              International Chair, Labex à Paris: Empirical Foundations of Linguistics [Jun]

2019               Distinguished Visiting Lecturer, Temple University Japan [Jul]