UnitedHealth taps insider Tim Noel to replace slain exec Brian Thompson as CEO of insurance unit

Company Leadership Changes - Tim Noel, the head of the Medicare business, has been appointed as the new CEO of UnitedHealth Group's health insurance business, replacing the former CEO Brian Thompson who was killed [1] - The leadership change follows the tragic killing of Brian Thompson on December 4, which sparked discussions about the challenges within the US healthcare system [1][3] Company Overview and Market Performance - UnitedHealthcare is the largest health insurer in the US, providing benefits to over 50 million Americans [2] - The company's shares increased by 1.7% to $528.52 following the announcement of the leadership change [2] Industry Context - The killing of Brian Thompson has brought attention to the broader frustrations and complexities of navigating the US healthcare system [1][3]