Dáithí Mícheál Ó Sé is an Irish television presenter. He currently hosts RTÉ One's Today, alongside Maura Derrane. He is also the current host of the Rose of Tralee and hosts a chat show on TG4 every Thursday night, Seal Le Dáithí. From Wikipedia
The 20-year-old calls the win a dream come true and says she will use the role to champion women pursuing their ambitions.