Tá an Dr John Walsh ina Ollamh Comhlach le Gaeilge i Scoil na dTeangacha, na Litríochtaí agus na gCultúr, Ollscoil na Gaillimhe. Tá saineolas aige ar 'nuachainteoirí' teangacha mionlaithe, ar an mbeartas teanga, ar na meáin mhionteanga, ar an ilteangachas, ar theangacha mionlaithe agus léann na haiteachta, ar theanga agus forbairt shocheacnamaíoch agus ar chartlanna na Gaeilge. Dhein an Dr Walsh PhD in Ollscoil Chathair Bhaile Átha Cliath (DCU) faoi thionchar na Gaeilge ar fhorbairt shocheacnamaíoch na hÉireann (2006). Tá MA sa Chaidreamh Idirnáisiúnta (Socheolaíocht, Dlí, Eacnamaíocht Pholaitiúil) aige ó DCU chomh maith (1999), agus BA sa Ghaeilge agus sa Bhreatnais (1992) ó Choláiste na hOllscoile, Baile Átha Cliath.

Ó 2023-2025, d'oibrigh an Dr Walsh ag leibhéal sinsearach le Foras na Gaeilge, an eagraíocht uile-oileáin chun an Ghaeilge a chur chun cinn. Chaith sé dhá thréimhse mar Leas-Déan i gColáiste na nDán, na nEolaíochtaí Sóisialta agus an Léinn Cheiltigh (Comhionannas, Éagsúlacht, Cuimsiú agus Daoine ó 2021-2023 agus Taighde ó 2012-2015). Roimh dó teacht go Gaillimh in 2005, d'oibrigh an Dr Walsh mar léachtóir Gaeilge in Ollscoil Chathair Bhaile Átha Cliath, mar eagarthóir nuachta leis an mBiúró Eorpach do Theangacha Neamhfhorleathana sa Bhruiséil, mar iriseoir foirne leis na craoltóirí poiblí RTÉ agus TG4, mar shaoririseoir leis na meáin phoiblí Bhreatnaise BBC Radio Cymru agus S4C agus mar thuairisceoir leis an raidió neamhspleách áitiúil agus náisiúnta. Is craoltóir deonach é leis an raidió pobail campais Flirt FM. 

Chomh maith le Gaeilge agus Béarla, tá sé líofa sa Bhreatnais agus sa Spáinnis agus tá eolas maith aige ar an bhFraincis, an Chatalóinis agus an Ghailísis. 
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Dr John Walsh is an Associate Professor of Irish at the School of Languages, Literatures and Cultures, University of Galway. His areas of expertise are ‘new speakers’ of minoritised languages, language policy, minority language media, multilingualism, minoritised languages and queer studies, language and socioeconomic development and Irish language archives. Dr Walsh’s PhD on the influence of the Irish language on Ireland's socio-economic development was awarded by Dublin City University (2006). He holds an MA in International Relations (Sociology, Law, Political Economy), also from DCU (1999), and a BA in Irish and Welsh (1992) from University College Dublin.

From 2023-2025, Dr Walsh worked at a senior level with Foras na Gaeilge, the all-island agency for the promotion of Irish. He spent two periods as Vice-Dean in the College of Arts, Social Sciences and Celtic Studies (Equality, Diversity, Inclusion and People from 2021-2023 and Research from 2012-2015). Before coming to the University of Galway in 2025, Dr Walsh worked as a lecturer in Irish at Dublin City University, as a news editor for the European Bureau for Lesser Used Languages in Brussels, as a staff journalist with national public broadcasters RTÉ and TG4, as a freelance journalist with Welsh-language public media BBC Radio Cymru and S4C and as a reporter with local and national independent radio. He continues to broadcast on campus community radio station Flirt FM.

As well as Irish and English, he speaks Welsh and Spanish fluently and has a good knowledge of French, Catalan and Galician. 

Sochtheangeolaíocht na Gaeilge, athneartú teangacha, beartas teanga, ilteangachas, teanga agus forbairt shocheacnamaíoch, teangacha mionlaithe agus an aiteacht, na meáin mhionteanga, stair na meán craolta, meáin phobail agus mhalartacha, cartlanna na meán.

Sociolinguistics of Irish, language revitalisation, language policy, multilingualism, language and socio-economic development, minoritised languages and queer studies, minority language media, history of broadcast media, community and alternative media, media archives.

NG1105: An Teanga Bheo

NG1111: An Ghaeilge, an Pobal agus an Stát

NG2115: Litríocht na hImirce

SG219: The Celtic Languages in the Modern World 

GL2100: Media and Sociocultural Representation in Europe

NG2104: Na Meáin Chumarsáide agus an Ghaeilge

NG4100: An Ghaeilge agus na Meáin Chumarsáide

NG4111: Cartlanna na Gaeilge

NG6113: Sociolinguistics of Multilingualism

NG6114: Athbheochan na Gaeilge