Raised in Spiddal, a small seaside village in Connemara in the West of Ireland, Grainne's parents raised her in a bilingual household.
Educated at Mercy Convent, Spiddal, County Galway, Gráinne graduated with honours in English, Sociology and Political Science from University College Galway before completing a Higher Diploma in Applied Communications for Television and Radio, also at UCG.
Gráinne Seoige began her career on October 31, 1996 with the launch of Teilifís na Gaeilge - the Irish language channel (now TG4) anchoring the 10pm news bulletin. Her command of Irish was an obvious asset but so too were her unflappable interview style and her good looks.
Gráinne moved to TV3 for it’s launch in 1998, and worked there for five years where she anchored its daily news bulletins. She also occasionally presented the station's breakfast show, Ireland AM.
During her time with TV3 she covered many big stories, including broadcasting by herself for seven and a half hours of live news on the channel on 9/11.
In May 2004, Gráinne was hired as launch anchor for Sky News Ireland. She also worked at Sky’s London network headquarters, presenting - over a period - all bulletins between midnight and midday including Sky News Today from 9am to 12pm, and Sunrise with Eamonn Holmes.
She is the only news anchor to have presented the inaugural news bulletins on two Irish terrestrial stations - TG4 and TV3, and she is the only television personality to have worked with all four Irish television stations - TG4, TV3, Sky News Ireland and RTÉ.
In 2004, she was a very popular winner of the VIP Style Award.
She was presented with the Hewlett Packard Award for Irish at the 2007 NUIG Alumni Awards for services to the Irish language
Grainne went on to become Features Editor for Daybreak.
This position took her from the military base Camp Bastion in Afghanistan, to the slums of Delhi, to the plains of Kenya and even deep inside the Arctic Circle reporting into the show. As well as filling in as presenter with Dan Lobb. But that is not all.
Already a star in her native Ireland, Grainne also currently presents the national broadcaster RTE's, the All Ireland Talent Show on Sunday nights.
Grainne has also presented the the All Ireland Talent Show on RTE and is currently presenting Crimecall.
She presented RTÉ’s flagship late-afternoon daytime show, Seoige for three seasons. She has also presented the prestigious People of the Year Awards for the 4 years, and co-presented Television’s Up For The Match for several years.
Grainne is the Patron of the National Breast Cancer Research Institute (NBCRI), she also works with Focus Ireland and the Irish Cancer Society and in her spare time she follows Gaelic Football and Manchester United.
Grainne was Features Editor on Daybreak, ITV's breakfast show and this job took her from the military base at camp Bastion to the slums of Delhi and the plains of Kenya. Grainne then went on to be a presenter on the BBC One Series "That's Britain" along with Julia Bradbury and Nick Knowles. Grainne currently co-presents Crime Call on RTE One.