Nor is over-reliance on role models. Spencer Stuart’s research confirms what we intuitively know makes sense: that in companies with a female chief executive, women are more likely to be better represented at senior management levels. But not every talented woman can be, or maybe even wants to be, another Carolyn McCall at ITV, Emma Walmsley at GlaxoSmithKline or Severn Trent’s Liv Garfield.