Lawrence A. Cunningham is a corporate director and advisor, author, professor and lawyer. He is the founder and managing partner of the Quality Shareholders Group and special counsel with Mayer Brown LLP, the international law firm. Cunningham is best known as an expert on corporate governance. He is also known for his knowledge of the history and corporate culture of Berkshire Hathaway and Warren Buffett. He has served on the board of directors of many companies, including Constellation Software, Kelly Group Partners, and Markel Group.