Mae Steve yn Gymrawd Ymchwil er Anrhydedd yn yr Adran Ieithyddiaeth Gymhwysol ym Mhrifysgol Abertawe. Mae ganddo dros 35 mlynedd o brofiad fel ymarferwr addysgu, asesu a chwricwlwm yn yr iaith Gymraeg, gan ymuno â’r Adran Addysg Barhaus yn 1991 cyn trosglwyddo i Goleg y Celfyddydau a’r Dyniaethau yn 2010 fel Athro Cysylltiol mewn Cymraeg ac Ieithyddiaeth Gymhwysol. Etholwyd Steve i Bwyllgor Gwaith Cymdeithas Ieithyddiaeth Gymhwysol Prydain (BAAL) yn 2012 ac mae’n gyd-ymchwilydd ac yn aelod o dîm rheoli prosiect ymchwil CorCenCC: Corpws Cenedlaethol Cymraeg Cyfoes a ariennir gan ESRC/AHRC. Mae Steve hefyd yn Gadeirydd Pwyllgor Craffu Cymraeg i Oedolion Llywodraeth Cymru.
Steve is an Honorary Research Fellow in the Department of Applied Linguistics at Swansea University. He has over 35 years experience as a teaching, assessment and curriculum practitioner in the Welsh language, joining the Department of Continuing Education in 1991 before transferring to the College of Arts and Humanities in 2010 as an Associate Professor of Welsh and Applied Linguistics. Steve was elected to the Executive Committee of the British Association for Applied Linguistics (BAAL) in 2012 and is a co-investigator and member of the management team for the ESRC/AHRC funded research project CorCenCC: the National Corpus of Contemporary Welsh.  Steve is also Chair of the Welsh Government Welsh for Adults Scrutiny Committee.