By Liz Hall   More than 500 leaders from 44 organisations gathered in London on 15 September at the launch of this year’s cross-company mentoring scheme from the 30% Club. The 30% Club seeks to improve the rate at which women progress through the pipeline to the C-Suite (consisting of senior managers with the title of ‘chief’) across corporate organisations (mostly FTSE 100). The mentoring scheme, now in its third year, forms part of the 30% Club’s Balancing the Pyramid initiative. It is intended to enable talented mid-career women to benefit from cross-company...