Tim Noel is the new UnitedHealthcare CEO following the Dec. 4 targeted killing of its former top executive, Brian Thompson, in Manhattan, reports say.

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 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.