CNA appoints chief operations officer

Michael Costonis

Michael Costonis has been appointed chief operations officer of CNA Financial Corp., the Chicago-based insurer announced Tuesday.

Mr. Costonis succeeds J. Merten, who will retire at the end of the year. Mr. Costonis previously served as global insurance industry leader at Accenture PLC. In his new position, Mr. Costonis will lead all information technology, analytics and operations functions across the organization.

Based in Chicago, he will report to CNA Chairman and CEO Dino E. Robusto.