Zaldimar Wefhellt is a level 13 mage trainer located in the Lion's Pride Inn in Goldshire, in the human starting zone of Elwynn Forest.
He starts the quest 
[10] Speak with Jennea.
In the novel Stormrage, he and the rest of the town of Goldshire have had their minds trapped in the Emerald Nightmare.[1]
See List of Elwynn Forest NPCs.