Avivah Wittenberg-Cox is the CEO of the consultancy 20-first. 20-first works with companies interested in diversifying their leadership teams and optimizing both halves of the talent pool and both halves of the market - the female and male halves. 20-first works with CEOs, executive committees, and managers to build gender 'bilingual' organizations. The firm's renowned Building Gender Balanced Businesses programs and suite of online tools help companies harness the talent and market opportunities of the 21st century. Ms. Wittenberg-Cox has spoken on leadership, marketing and talent management issues across the globe and lectures at both INSEAD and HEC business schools. She has had articles, reviews and interviews published in a variety of publications. She is the founder and honorary president of the European Professional Women's Network. She is the author of How Women Mean Business, A Step by Step Guide to Profiting from Gender Balanced Business (Wiley, April 2010) and Why Women Mean Business: Understanding the Emergence of Our Next Economic Revolution, (Wiley 2008)