View gallery Image Credit: UnitedHealthGroup Brian Thompson was known as the CEO of UnitedHealthcare for three years. The late executive reportedly made major contributions to the health insurance company over his decades-long career. In December 2024, his life was cut short in after he was fatally shot before attending his company's investor day in Midtown Manhattan. Authorities alleged the shooter matched Luigi Mangione's description, and Mangione was arrested days later in Altoona, Pennsylvania. He was charged with multiple state and federal counts in connection with the killing.