Nashville, Tenn.-based Envision Healthcare has named Fredrik Eliasson chairman of its board of directors, replacing Steve Nelson, who departed the role after being named president of Aetna.

Envision’s board appointments include Fredrik Eliasson as Chair of the Board of Directors and Christopher Bradbury as Board Director.

Eliasson and Bradbury transition to their roles as Steve Nelson, formerly Board Chair, departs the board to serve in his new role as Executive Vice President of CVS Health and President of Aetna®.