"These leadership changes create a sharpened structure to build upon our strengths for continued growth, enhance our customer focus and deliver even greater value for those we serve," Chairman and CEO David M.

(Reuters) -Healthcare conglomerate Cigna appointed Chief Financial Officer Brian Evanko to the newly created position of chief operating officer and promoted his deputy, Ann Dennison, to the top finance role,

Cigna is reshuffling its top leadership by promoting Brian Evanko to president and chief operating officer and elevating Ann Dennison to executive vice president and chief financial officer, the company announced Thursday.

Cigna has made a series of upper management changes, which include making CFO Brian Evanko as the healthcare conglomerate's chief operating officer, and promoting his deputy Ann Dennison to the top finance role.