Despite women entering the workforce in roughly equal number to men, across industries, women’s representation declines at every successive level of leadership. Women account for only 30% of managerial roles in the UK, and this declines further at moresenior levels. In the UK, women account for only 26% of executives on Exco (FTSE350), and only 4% of CEOs. The pattern is the same as we look across other Western countries. This ‘leaky talent pipeline’ has several nuanced and intricate causes that can be categorised into three types of barriers: societal, organisational and personal, of which organisational barriers impact 82% of women.