Cigna Corporation announced that John Murabito, longtime Chief Human Resources Officer (CHRO) and current Chief Administrative Officer (CAO), will retire on April 1. Cynthia Ryan, who has held numerous human resources roles of increasing responsibility since joining Cigna 23 years ago, was named Chief Human Resources Officer last August, ensuring a seamless transition. At that time, Ryan joined the company's Enterprise Leadership Team. Ryan most recently served as SVP and Human Resources Officer for Cigna's U.S. businesses.