Archery
Journeyman Trainer: Faendal, of Riverwood.
Expert Trainer: Aela the Huntress, of The Companions in Whiterun.
Master Trainer: Niruin, of The Thieves Guild, in Riften.
Stealth Skills: The Path of Shadow
Light Armor
Journeyman Trainer: Scouts-Many-Marshes of Windhelm.
Expert Trainer: Grelka of Riften.
Master Trainer: Nazir, of The Dark Brotherhood.
Sneak
Journeyman Trainer: Khayla, of the Khajiit Caravans.
Expert Trainer: Garvey, of Markarth.
Master Trainer: Delven Mallory, of The Thieves Guild, in Riften.