UnitedHealthcare named company veteran Tim Noel as its CEO, seven weeks after former CEO Brian Thompson was killed in New York. Noel joined the company in 2007 and was most recently the head of its Medicare and retirement unit,

Last month’s assassination of United Healthcare CEO Brian Thompson sparked a new wave of anxiety for corporate leaders, prompting many executives to think twice about their safety and reevaluate their existing security protocols.

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.