UnitedHealth Group will promote one of its top insurance executives to replace Brian Thompson, the slain CEO of its UnitedHealthcare arm.

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

UnitedHealthcare announced a new CEO on Thursday, filling in the spot after Brian Thompson was shot and killed in December in what authorities have called a targeted attack.

UnitedHealthcare named Tim Noel as the company's new CEO on Thursday after the former one, Brian Thompson, was killed in Manhattan in December.

A new UnitedHealthcare CEO has been named after the previous CEO, Brian Thompson, was shot and killed last month.