Champion will be responsible for the sales and account management functions at Blue Sheep.
He joins Blue Sheep from Responsys where he was sales director, EMEA.
Prior to Responsys, Champion worked as sales director of Alchemetrics. Clients included IPC Media, Haymarket, Virgin Media and Age Concern Enterprises.
Richard Lee, managing director of Blue Sheep, said: "It is imperative to keep ahead of the game when times are tough -- we are thrilled to have Andy join us given his wealth of experience. He will be a major asset to the company and all our clients."