David L. Thompson serves as President and Chief Operating Officer of Great American Insurance Group, a leading specialty property and casualty insurance company and subsidiary of American Financial Group, Inc. (AFG). With more than 35 years of dedicated service at Great American, Thompson joined the organization in 1986 as an ocean marine underwriter and rapidly ascended through the ranks. His early career included key roles such as Vice President of Marketing and Underwriting for the Ocean Marine Division, Senior Vice President of the company's Entertainment Division, and Executive Vice President of the Property & Casualty Group, where he honed his expertise in specialty insurance lines including ocean marine, entertainment, and excess and surplus. Thompson's leadership has been pivotal in driving Great American's sustained growth, expanding its premium base to over $3.5 billion annually while maintaining superior financial strength ratings from A.M. Best (A+). Notable achievements include spearheading strategic acquisitions, enhancing underwriting discipline, and fostering innovation in risk management practices, which have solidified the company's position as a market leader in niche markets. In 2019, he was elevated to President and COO, recognizing his instrumental role in operational efficiencies and profitability during challenging market cycles. In his current capacity, Thompson oversees the operations of Great American's 30+ specialized insurance subsidiaries, managing a workforce of approximately 3,800 employees across the U.S. Reporting to AFG Co-CEOs Carl H. Lindner III and S. Craig Lindner, he ensures seamless integration with AFG's broader portfolio, emphasizing disciplined growth, customer-centric solutions, and adaptability to evolving industry dynamics.