As a result, Ennis‑Hill's profile hit stratospheric levels, picking up 1.3m Twitter followers, and her estimated earnings were several million pounds. 'The face of London 2012' overcame extraordinary levels of pressure to win Olympic gold – her image became synonymous with the Games, appearing everywhere from TV and billboards to a painting of her the size of 15 tennis courts positioned in a field under the Heathrow flight path. Nicholl has been vocal on the lack of women in sports boardrooms, backing a Women's Sport and Fitness Foundation target of 25% by 2017, and suggesting that sanctions may be put in place for governing bodies who fail to make the grade. A former netball international, Nicholl was England Netball's chief executive for 16 years before taking on her role at UK Sport, where she also leads on the bidding for and hosting of major events. Team GB won 65 Olympic and 120 Paralympic medals at London 2012, and Nicholl is now the driving force behind the attempt to become the first nation to win more medals in the next Olympic and Paralympic cycle after hosting a Games. Responsible for an annual budget of £125m, Nicholl primarily oversees the development of Olympic and Paralympic sports at a performance level. Formerly a professional tennis player – she once beat Judy Murray – Jevans is also a member of the All England Lawn Tennis Club's committee of management and championships committee, as well as a Sport England board member, and sits on the UK Sport major events panel. With so few women seated alongside her at sport's top tables, Jevans has been unequivocal in speaking out against gender imbalance in sport - most recently calling for quotas to be considered, despite a lifelong aversion to the concept. There, managing 20,000 staff and a budget in excess of £160m, Jevans cemented a name for herself as an extraordinary individual in sport, having already played a key part in winning the bid for London in 2005. Our leading lady of British sport, Jevans is the first female chief executive to organise a Rugby World Cup, and the first woman to be appointed director of sport for an Olympic Games when she led the double triumph of an Olympic and Paralympic Games at London 2012. 1: Debbie Jevans, CEO, England Rugby 2015

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