Prof. Hertz brings to Mattel s Board her significant experience as an adviser to some of the largest organizations and most senior figures in the world on strategy, decision-making, sustainability, and global economic, technological, and geo-political risks and trends. An influential economist on the global stage, she has over 25 years of experience in advising companies and governments in a variety of sectors and geographies on strategy and policy decisions, mergers and acquisitions, intelligence gathering and analysis, millennials and post-millennials, community-building, and sustainability. In addition, Prof. Hertz has also held senior academic positions where her research has focused on artificial intelligence, decision-making, risk assessment and management, globalization, innovation, post-millennials, community-building, and sustainability. Prof. Hertz s best-selling books, Eyes Wide Open, The Silent Takeover, IOU: The Debt Threat, and The Lonely Century are published in over 20 countries. Career Highlights University College London Honorary Professor at the UCL Policy Lab since 2025 Visiting Professor at the UCL Institute for Global Prosperity since 2016 Honorary Professor since 2013 University of Amsterdam Professor of Globalisation, Sustainability, and Finance (2009 2013) University of Cambridge Associate Director of the Centre for International Business and Management (2003 2013) Other U.S. Public Company Directorships Warner Music Group Corp. (2014 2016; 2017 present) Additional Leadership Experience and Service Director, Workhuman (Globoforce Limited) since April 2022 Trustee, Inspiring Girls International Limited (2016 2023) Member, RWE AG Digital Transformation Board (2015 2016) Member, Inclusive Capitalism Taskforce (2012 2013) Member, Edelman Europe Advisory Board (2009 2012) Member, Citigroup Politics and Economics Global Advisory Board (2007 2008)