Mae gan Mr Ahir brofiad o weithio ym myd cyfathrebu a'r cyfryngau.  Ef yw un o cyd-berchnogion asiantaeth gyfathrebu ddwyieithog sy'n gweithio ar draws y sector preifat, y sector cyhoeddus a'r trydydd sector. Mr Ahir yw Cadeirydd pwyllgor trefnu Eisteddfod Genedlaethol 2018 ac mae'n aelod o'r bwrdd rheoli. Mae wedi bod yn rhan o Grŵp Adolygu Cymraeg i Oedolion a bu'n Olygydd Gweithredol yn y maes Gwleidyddiaeth i BBC Cymru Wales am sawl blwyddyn.
Mr Ahir has a communications and media background. He is the co-owner of a bilingual communications agency working across the private, public and third sector. He is also the Chair of the organising committee for the National Eisteddfod 2018 and a member of their management board. He has previously been involved in a Welsh for Adults Review Group and was Executive Editor, Politics at BBC Cymru Wales for many years.