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Karen Koster :: Age, Wiki, Bio, Husband, Wedding, Baby, Parents, Sister

Karen Koster Images
Name Karen Koster

Age / How old / Birthday / Date of Birth / DOB April 9, 1981. As of 2025, she is around 44 years old.

Wedding & Marriage / Husband / Engaged / Spouse / Partner Married. Check the full bio for relationship details.

Wikipedia Biography / Profile Background

Introduction :

  • Karen is a bubbly Dutch-Irish TV presenter, currently working for TV3 and Virgin Media.
  • Coming from a reality TV show background, Koster has shown just what hard work and commitment can achieve if you are determined enough.
  • She has a host of credits to her name with the demand for her services ever-increasing.

Personal Life, Parents and Family Details :

  • Karen was born in Den Hague, the Netherlands, on 9th April 1981.
  • Her father is from Rotterdam, Netherlands and her mother is from Ireland. She says she is not a very good representative of the Dutch-Irish community because she can’t speak Dutch.
  • Karen married businessman John McGuire in Sicily, Italy, in 2013. The couple has three children together.
  • In 2014, Koster got pregnant for the first time & gave birth to her first son Finn at the end of the year. A second son John arrived in 2016, and her daughter Eve was born in 2018.
  • Currently, the family lives in Rathmines, Dublin, Ireland.

Education : Qualifications, High School & College Info

  • Koster attended Trinity College Dublin, from where she graduated in 2003 with a degree in English Literature and French.

Career, Job, Salary and Net Worth :

  • In 2001 Karen entered a talent show called ‘The Selection Box’, a TV reality show to find a new presenter. She performed well in the competition & was eventually declared runner-up.
  • Her determination to become a TV presenter paid off when she started work on Ireland’s TV3 network. Her first job was as a weather presenter on Ireland AM in 2004.
  • In 2006, Karen ventured into the world of producing with the 1st Now TV Awards. Three years later, she was able to produce the short film ‘How Billy Stole Christmas’.
  • Since the launch of TV3’s fashion, beauty and entertainment series Xpose in 2007, Karen Koster has been one of their regular presenters. For Xpose, she produced a podcast series called ‘Labours of Love,’ delving into the life of parenthood.
  • In 2011, she was a royal correspondent for ‘The Royal Wedding,’ between Prince William and Kate Middleton.
  • In 2013 and 2014, she presented the annual Irish Film and Television Awards (IFTA).
  • In 2018, Karen made a documentary called ‘Mammy Guilt’, focusing on women who are new mothers but want to continue to work.
  • As of 2025, Karen is one of the main faces of Ireland AM.

Interesting Facts, Height and Trivia :

  • Karen dated her husband for six years before they got married.
  • She jokes that work is easier than being a full-time mother because you do get breaks at work!
  • Karen says she ran competitions and did all the nitty-gritty ‘dogs body’ jobs to earn her stripes in the field of broadcasting.
  • When Hollywood star Tom Cruise visited Dublin, Ireland, she helped to show him around.
  • Karen supports various charities and is an ambassador for Crumlin Children’s Hospital.
  • Since having children, Karen says that ordinary tasks such as going shopping take on a military operation.

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