The health insurer named Tim Noel, a longtime employee of its parent company, for the job. The previous chief executive, Brian Thompson, was killed in Manhattan. The health insurer named Tim Noel, a longtime employee of its parent company, for the job. The previous chief executive, Brian Thompson, was killed in Manhattan. Health Insurance and Managed Care, Appointments and Executive Changes, Murders, Attempted Murders and Homicides, UnitedHealth Group Inc, Noel, Tim (Insurance Executive), Thompson, Brian (1974-2024) NYT > Science