The 3 CEOs before Gail served an average of 4 years while she has been here for double the amount of time.
Here is a history of how long the previous CEOs served at Elevance/Anthem/Wellpoint.
Gail K. Boudreaux- CEO of Anthem/Elevance since 2017 (~8 years)
Joseph R. Swedish- CEO of Anthem from 2013-2017 (4 years)
Angela F. Braly CEO of Anthem from 2007-2012 (5 years)
Larry Glasscock CEO of WellPoint from 2004-2007 (3 years)