Signify Health, Inc. announced the appointment of Sam Pettijohn as Chief Growth Officer and Erin Kelly as Chief Compliance Officer. Sam joins Signify Health from Cerner Corporation where he was senior vice president of client relationships with responsibility for sales, delivery and sustainment of client relationships. An accomplished sales leader, Sam spent more than 25 years at Cerner driving exceptional growth and managing high-performance teams. Prior to Cerner, he held various sales roles at LabCorp and Roche Biomedical Laboratories.