[2] He graduated from University College Dublin with a degree in History and Politics.
[4] Whelan joined RTÉ in 1991 at the same time as Mark Little, Rachael English and Paul Reynolds.
[6] He has reported from wars in Bosnia and Kosovo and on the return of Hong Kong to the People's Republic of China.
[8] In March 2019, it was announced that he would succeed Fiona Mitchell as the London correspondent for RTÉ News.
[9] On 21 January 2022, it was announced by RTÉ that Whelan would succeed Brian O'Donovan as the new Washington correspondent from February 2022.