Avivah Wittenberg-Cox is the CEO of Consultancy 20-first, one of the world’s leading gender consultancy firms. Her organisation helps CEOs, executive committees and managers build gender ‘Bilingual’ organisations. Avivah is also the founder and honorary president of the European Professional Women’s Network. She also lectures at both INSEAD and HEC business schools. She has been recognised by ELLE magazine as one of the Top 40 Women Leading Change.