Gregory C. Case has been serving as the Chief Executive Officer of Aon plc Class A since April 2005. Aon is a leading global professional services firm that provides a broad range of risk, retirement, and health solutions. Under Case's leadership, Aon has undergone significant transformation, focusing on improving client value through the application of data and analytics. His strategic vision has been instrumental in positioning Aon as a market leader in the insurance and professional services industry. Before joining Aon, Case held various leadership positions that have shaped his expertise in the field. He was a partner at McKinsey & Company, where he co-founded the firm's Financial Institutions Group. His work at McKinsey involved advising global financial institutions on strategy, risk management, and organizational transformation. Case's experience in consulting has been a key factor in his success at Aon, enabling him to drive innovation and growth within the company. His achievements include leading Aon through several key acquisitions and initiatives that have enhanced the company's capabilities and global reach. As CEO, Case is responsible for overseeing Aon's overall strategy and operations. He has been pivotal in fostering a culture of innovation and collaboration within the organization. One of his notable achievements is the development of Aon's proprietary data analytics platform, Aon Client Treaty, which has revolutionized the way the company delivers solutions to its clients. Case's leadership has not only resulted in sustained growth and profitability for Aon but has also earned him recognition as a respected figure in the global business community.