Brian J. Costanzo serves as the Chief Financial Officer (CFO) at Markel Group Inc., a diversified financial holding company based in Richmond, Virginia. In his role, Costanzo is responsible for overseeing the company's financial operations, including financial planning and analysis, accounting, tax, and treasury functions. His leadership has been instrumental in guiding Markel Group through various strategic initiatives and ensuring the company's financial stability and growth. Prior to joining Markel Group, Costanzo held several senior financial positions at other notable companies, where he developed a strong reputation for his strategic vision and financial acumen. His career in finance spans over two decades, during which he has demonstrated a consistent ability to drive financial performance and operational efficiency. Costanzo's expertise in financial management and his deep understanding of the insurance and investment industries have been key factors in his success at Markel Group. Under Costanzo's guidance, Markel Group has continued to expand its operations and enhance its financial position. His strategic approach to financial management has helped the company navigate complex market conditions and capitalize on growth opportunities. Costanzo's commitment to excellence and his collaborative leadership style have made him a valued member of the Markel Group executive team, contributing significantly to the company's ongoing success.