Dr Stephen Quirke is a lecturer in mathematics education at Dublin City University. Prior to commencing his role at DCU, Stephen worked as a post-primary mathematics and physical education teacher. Stephen completed his undergraduate degree in physical education and mathematics teacher education at the University of Limerick, and he was awarded his PhD in mathematics education for his study on teachers teaching mathematics out-of-field. The PhD study was funded by the Irish Research Council's Postgraduate Research Scholarship Scheme. Stephen’s research interests include mathematics teacher education programme development, mathematics-related teacher identity, mathematical conceptual knowledge for teaching and mathematics curriculum reform.