It might be someone new coming into the company as an employee. It might be anyone going to another company and bringing back new thinking. It might also be anyone in the company bringing some part of their own experience, new or otherwise, into the system which they had not thought to presence in the system before. Experience with an Ashram, a sports team, a hobby, a discipline, religion, family - endless possibilities begin to appear.
Intelligence is the underlying organisational principle of the universe.