UnitedHealth taps insider Tim Noel to replace slain exec Brian Thompson as CEO of insurance unit
1. UnitedHealth appointed Tim Noel as new head of health insurance business. 2. Former CEO Brian Thompson was killed on December 4, raising healthcare system frustrations. 3. UnitedHealthcare serves over 50 million Americans, highlighting its significant market presence. 4. Following the news, shares increased by 1.7% to $528.52.