Author: Kyria d'Oreyn
He was present when Galad fought against Valda in the Trial Beneath the Light. After Galad won and tells the Children to ally with anyone who will oppose the Seanchan, Doirellin is surprised, as that can mean allying with Aes Sedai. If they want to be at Tarmon Gai'don, they'll have to be prepared to fight alongside Aes Sedai; Doirellin apparently has never considered this.
(Reference: Knife of Dreams, Prologue)