The company's former chief executive Brian Thompson was shot and killed in December.

Summary

UnitedHealthcare has appointed Tim Noel as CEO, following the December 4 killing of former chief Brian Thompson in Manhattan.

Noel, a company veteran, takes charge as public anger grows over U.S. healthcare costs.

Thompson’s death sparked debates on the industry and led to a five-day manhunt.

Suspect Luigi Mangione, arrested in Pennsylvania, faces 11 state charges, including terrorism-related murder, and federal charges that could result in the death penalty.