Josh van der Flier, Irish rugby union player for Leinster Rugby and the Ireland national rugby union team, is born on April 25, 1993, in Wicklow, County Wicklow. He is of Dutch descent through his paternal grandparents, who moved to Ireland in the 1950s to open a radiator factory. He attends Wesley College, Dublin, and University College Dublin (UCD).

Van der Flier’s preferred position is flanker, but he can play other positions if needed. He is commonly referred to amongst Leinster Rugby circles as “The Dutch Disciple.”

Van der Flier begins his professional career with the Leinster academy. During his time at the academy, he plays with the Leinster senior team, making his debut in October 2014 against Zebre Parma. It is announced in April 2015 that he has been awarded a senior contract with Leinster.

Following the 2022 European Rugby Champions Cup final, Van der Flier becomes the third Leinster player to win European Professional Club Rugby Player of the Year, after Seán O’Brien (2011) and Rob Kearney (2012). In June 2022 he is named Leinster’s 2021–22 Men’s Player of the Year.

Van der Flier receives his first call up to the senior Ireland squad by coach Joe Schmidt for the 2016 Six Nations Championship. He debuts for Ireland on February 27 against England in the 2016 Six Nations Championship at Twickenham Stadium.

Van der Flier is named as the Ireland men’s XVs Players’ Player of the Year at the 2022 Rugby Players Ireland awards. He also wins the Guinness Rugby Writers of Ireland men’s player of the year award for the 2021-22 campaign.

In November 2022, Van der Flier is named as the World Rugby Men’s 15s Player of the Year.