Age: 71 Director Since: 2005 Independent Committees Audit Nominating and Corporate Governance (chair) Other Boards IEX Group Investors Exchange Atlas Merchant Capital Professional Experience Mr. Sonnenfeld has served as the Senior Associate Dean for Executive Programs and the Lester Crown Professor-in-the-Practice of Management at the Yale School of Management since 2001. In 1989, Mr. Sonnenfeld founded the Chief Executive Leadership Institute of Yale University, the world s first CEO College, and he has served as its President since that time. Previously, Mr. Sonnenfeld spent ten years as a professor at the Harvard Business School. Recently, Mr. Sonnenfeld was named by Business Week as one of the world s ten most influential business school professors. He has chaired several blue-ribbon commissions for the National Association of Corporate Directors, and the NACD s Directorship magazine recently named him one of the 100 most influential figures in governance. Mr. Sonnenfeld was recognized by Poets & Quants Magazine as the 2022 Professor of the Year in recognition of his high-profile efforts to catalyze the historic exits from Russia of over 1,000+ global businesses after the invasion of Ukraine and was named to Worth Magazine s Worthy 100 Leaders, an annual global listing of the most influential leaders across society. Mr. Sonnenfeld was also presented the 2023 Greatest Impact on Corporate Boards award by Corporate Board Member magazine and is the recipient of the Academy of Management s 2023 Award for Distinguished Scholar-Practitioner. Corporate Board Member magazine has also awarded Mr. Sonnenfeld its Most Influential Voice award. He was awarded the Ellis Island Medal in 2018 by the US Ellis Island Foundation and awarded many scholarly honors for the impact of his many research articles on leadership and governance matters. In addition to his post as a regular commentator for CNBC, he is a columnist for Fortune, a regular commentator on PBS s Nightly Business Report, and a frequently cited management expert in the global media. Mr. Sonnenfeld s columns also regularly appear in The Wall Street Journal, Forbes, The Washington Post, Politico, and the New York Times. Qualifications The Board nominated Mr. Sonnenfeld to serve as a director because of his business acumen and experience, as well as his exceptional work in the areas of corporate governance and leadership development as President of the Chief Executive Leadership Institute of Yale University.