 CHICAGO, Aug. 5, 2021 PRNewswire -- CNA is pleased to announce that after three years as Chief Operations Officer, Michael Costonis will take on a new role as CNAs Global Head of Marketing, Strategy and Innovation. Costonis is backed by a very successful 26 year consulting career leading insurance companies to higher levels of performance and is fully equipped to help the company capitalize on the dynamics of the evolving marketplace in new and innovative ways. 