Directors need limits to how many boards they sit on. Stretching their time too thinly is risky

When directors sit on too many company boards they might become what's referred to as 'overboarded'. Getty images

Experienced directors of companies are in high demand in countries around the world. For this reason, many hold multiple directorships.

There’s an upside to this. Directors with multiple directorships are able to gain more knowledge, experience and access to social networks and resources, thus adding more value to the company.