UnitedHealth Group on Thursday named Tim Noel, the head of its Medicare business, to the top job at its health insurance business, a month after the unit’s former CEO Brian Thompson was killed.

UnitedHealth Group Inc. promoted the head of its Medicare health plan business to lead the company’s broader insurance division, filling the job previously held by slain executive Brian Thompson. Tim Noel,

UnitedHealth Group said veteran internal executive Tim Noel will succeed the late Brian Thompson as CEO of UnitedHealthcare, the nation’s largest health insurance company.

UnitedHealth Group said on Thursday it has appointed Tim Noel, the head of its Medicare business, to replace late CEO Brian Thompson as the head of its insurance unit.

UnitedHealth reported fourth-quarter results on Thursday that reflected persistent challenges for the health insurance sector.

UnitedHealth Group promoted the head of its Medicare health plan business to lead the company’s broader insurance division, filling the job previously held by slain executive Brian Thompson.

The company said Thursday that Tim Noel will be CEO of UnitedHealthcare, replacing Brian Thompson, who was killed in New York City in December.

UnitedHealth Group (NYSE:UNH), a leading diversified healthcare company with a substantial market capitalization of $469.7 billion, continues to navigate a complex landscape of opportunities and challenges as it maintains its position as a dominant force in the healthcare industry.

Meanwhile, just outside the stock exchange, patients and doctors gathered in freezing temperatures to protest the systemic suffering tied to UnitedHealth’s exorbitant profits. One protestor, Jenn Coffey, who has been battling complex regional pain syndrome (CRPS), described her anguish in dealing with the company’s policies.

UnitedHealth Group announced Tim Noel, one of its top insurance executives, will become CEO of UnitedHealthcare. Noel steps into the role formerly held by Brian Thompson, who was fatally shot in New York City on Dec.

The new CEO of Minnesota-based UnitedHealthcare takes the helm of a company whose former leader was killed in December.