Bill Andrew Quinn is a veteran in the voice-over world. In addition to hundreds of commercials and audiobooks, his many credits include work on The Sopranos, The Montel Williams Show, and Showtime at the Apollo, as well as characters for Grand Theft Auto IV and other video games. Totinos, Corona, Lincoln-Mercury, and McDonald's are among his many television campaign clients. Mutsa Chironga is an executive at Nedbank, one of South Africa's largest banking groups. He was previously a partner at McKinsey & Company, where he served banks in a dozen African countries, mostly on capturing growth opportunities. He has coauthored several McKinsey reports on African economies and financial services. Georges Desvaux is a senior partner at McKinsey & Company and a former managing partner of its African and Japanese offices. A leader of McKinsey's global marketing practice, he has helped build the firm's consumer insights and analytics capabilities. He has coauthored many articles on consumer and macroeconomic trends. Acha Leke is chairman of McKinsey & Company's Africa practice. Leading the firm's expansion across Africa, he has worked in more than twenty countries. Leke is coauthor of the McKinsey Global Institute's widely recognized Lions on the Move reports on Africa, as well as numerous Harvard Business Review and McKinsey Quarterly articles.