Foster Horan was one of five players who had been part of the Ireland Sevens programme since its inauguration in 2015, known within the squad as the originals.
He played in the men's rugby sevens tournament at the Tokyo 2020 Olympic Games, where Ireland finished tenth, the first time an Irish rugby team competed at the Olympic Games.
Horan grew up in Tombrack near Ferns, County Wexford, played youth rugby with Gorey RFC and attended Kilkenny College. He played at outside centre for the Ireland Under-20s at the 2012 IRB Junior World Championship.