[W]hat is it about women’s ambitions, motivations and expectations that explains why, despite their ability, many choose not to pursue their careers all the way to the top?...The issue…is that women leave in disproportionate numbers in mid-career…There are many reasons why women’s ambitions, and their careers, may not follow the…linear trajectory that men experience…[A]n…overlooked piece of the puzzle might be women’s own choices and preferences...[W]omen rank a number of career priorities, such as flexible work arrangements and collaboration, ahead of compensation…This is not to suggest that there is anything biologically inevitable about the low representation of women on UK corporate boards…If there were…changes in corporate culture…then the most senior jobs might be more attractive. [refers to Nomura, Accenture, McKinsey]