I started gradually doing all sorts of SAP work. When they told SAP what they were doing, they expressly told him not to do it on the grounds that it wouldn’t work. “You should know exactly what you're going to do in the next two to three months. From three to six months out, you have a really good idea what you're going to do but be prepared to change. You’ve got to really focus on change management, what your customer wants, and that's what you've got to go implement,” says Mahon.