Some of the most powerful and important positions in the world are held by women - Ursula von der Leyen of the European Commission, Christine Lagarde at the European Central Bank, Janet Yellen as the US Treasury Secretary, and Ngozi Okonjo-Iweala at the World Trade Organization. They’re part of a group, showing women can be just as successful as their male counterparts in positions of power. One of the ways more women can end up in these top decision-making roles is to boost female participation in traditionally male-dominated industries.