Mark Leiter is Chairman of Leiter & Company. Mark has helped over 150 organizations create corporate and business unit strategies that improve performance. Mark has served as Chief Strategy Officer at Nielsen, an S&P 500 global corporation. He was part of a team that lifted Nielsen’s enterprise value from $9 billion to $27 billion. Earlier in his career, Mark held multiple practice leadership roles at McKinsey & Company and was subsequently a senior partner at Cap Gemini Ernst & Young. He began his career at Bain & Company. Mark holds an M.A. from Harvard University and was a research fellow at Harvard Business School.