Vesper Two first appeared in A King's Ransom, and was the first one to figure out that Dan Cahill was gathering all 39 Clues by bribing chemical supplies.
To oversee all Vesper activities on Vesper One. Vesper One's identity must be kept a secret to those outside the Vesper Council of Six, in order to prevent treachery.
Vesper Two also handles all disciplinary issues, and oversees operations and plan missions.
Requirements
Communication skills, ruthlessness, and a talent for torture.