Jacquie Costello is an accomplished professional currently serving as Chief of Staff to the CEO at Centene Corporation since October 2022, following a role as Staff Vice President of Digital Initiatives. Prior experience includes Senior Director of Client Success at Availity Clinical Solutions from February 2021 to September 2022 and Director of Optum Analytics at Optum from 2015 to 2020, where Jacquie was integrated into the Humedica client services team post-acquisition. Earlier roles include Graduate Student Research Associate at Northwestern University's Center for Community Health, Account Director at CEB Finance, and Pharmaceutical Sales Representative at Eli Lilly. Jacquie holds a BA in Biology and Communication from DePauw University and a Master of Public Health from DePaul University.