LOUISVILLE, Ky. (
, one of the nation's largest publically traded health insurers -- has appointed CEO Michael McCallister as chairman of the company's board of directors.
The board voted unanimously to elect McCallister after former board chairman, David Jones Jr., resigned voluntarily. McCallister has been CEO of the company and a member of the board since 2000.
The company did not give a reason for Jones' resignation as chairman. Jones will remain on Humana's board and continue to work as managing director of venture capital firm Chrysalis Ventures, according to a
. Jones became chairman in April 2005 and increased revenues from $13.1 billion in 2004 to $31.0 billion in 2009.
"I am grateful for my board colleagues' vote of confidence and I look forward keenly to fulfilling the additional responsibility of board chairman with their superb counsel and support," McCallister said in a press release.
Written by Maria Woehr in New York